https://scitechdaily.com/ Science, Space and Technology News 2026 Wed, 15 Jul 2026 07:38:01 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.1 https://scitechdaily.com/natural-compound-found-in-cheese-and-mushrooms-may-help-boost-vaccine-responses/ https://scitechdaily.com/natural-compound-found-in-cheese-and-mushrooms-may-help-boost-vaccine-responses/#respond Thu, 16 Jul 2026 01:49:59 +0000 https://scitechdaily.com/?p=524168 Researchers have found that the natural compound spermidine can help improve vaccine responses in older adults by reducing molecular markers of immune system aging. A vaccine shot can look the same from one arm to the next, but the immune system beneath the skin may not respond with the same force. In older adults, that [...]]]> https://scitechdaily.com/natural-compound-found-in-cheese-and-mushrooms-may-help-boost-vaccine-responses/feed/ 0 https://scitechdaily.com/a-deadly-ebola-like-virus-is-spreading-are-we-ready/ https://scitechdaily.com/a-deadly-ebola-like-virus-is-spreading-are-we-ready/#respond Thu, 16 Jul 2026 01:14:52 +0000 https://scitechdaily.com/?p=524922 BU virologist Nancy Sullivan says the Bundibugyo outbreak in the Democratic Republic of the Congo underscores the need for broader outbreak preparedness. The death of a nurse marked the moment health officials recognized that something dangerous was spreading. The illness was Bundibugyo virus, a rare but potentially deadly infection now driving a growing outbreak in [...]]]> https://scitechdaily.com/a-deadly-ebola-like-virus-is-spreading-are-we-ready/feed/ 0 https://scitechdaily.com/two-drinks-a-day-may-be-riskier-than-many-americans-think/ https://scitechdaily.com/two-drinks-a-day-may-be-riskier-than-many-americans-think/#comments Thu, 16 Jul 2026 00:39:56 +0000 https://scitechdaily.com/?p=524113 Alcohol risk appears to increase beyond one drink per day, even at levels often described as moderate. Alcohol is often treated as a routine part of social life, but a new analysis suggests that even levels many Americans consider moderate carry measurable health risks. The study links drinking with a higher chance of death, disability, [...]]]> https://scitechdaily.com/two-drinks-a-day-may-be-riskier-than-many-americans-think/feed/ 2 https://scitechdaily.com/a-troubling-breast-cancer-trend-is-emerging-in-asian-american-communities/ https://scitechdaily.com/a-troubling-breast-cancer-trend-is-emerging-in-asian-american-communities/#respond Wed, 15 Jul 2026 21:31:53 +0000 https://scitechdaily.com/?p=524871 Breast cancer patterns are shifting rapidly in several Asian American communities. Breast cancer has long been considered less common among Asian American women than among white women in the United States. A new UC San Francisco-led study suggests that this pattern is changing quickly, especially among younger women and in some aggressive forms of the [...]]]> https://scitechdaily.com/a-troubling-breast-cancer-trend-is-emerging-in-asian-american-communities/feed/ 0 https://scitechdaily.com/scientists-have-identified-a-key-driver-of-age-related-cognitive-decline/ https://scitechdaily.com/scientists-have-identified-a-key-driver-of-age-related-cognitive-decline/#respond Wed, 15 Jul 2026 20:56:01 +0000 https://scitechdaily.com/?p=524172 A newly identified protein pathway may link blood-brain barrier deterioration to age-related cognitive decline. The aging brain depends on a microscopic border that works every second to keep danger out and support the nerve cells inside. When that barrier begins to fail, memory, mood, and thinking may suffer. Andrew A. Pieper, MD, PhD, and colleagues [...]]]> https://scitechdaily.com/scientists-have-identified-a-key-driver-of-age-related-cognitive-decline/feed/ 0 https://scitechdaily.com/8-science-backed-ways-to-sleep-better-in-hot-weather/ https://scitechdaily.com/8-science-backed-ways-to-sleep-better-in-hot-weather/#comments Wed, 15 Jul 2026 20:21:54 +0000 https://scitechdaily.com/?p=524057 Struggling to sleep in the heat? The good news is that a handful of easy cooling tricks can help your body stay comfortable and make hot nights far more bearable. When temperatures rise, sleep often suffers. Hot nights can make it harder to fall asleep, increase waking during the night, and leave people feeling less [...]]]> https://scitechdaily.com/8-science-backed-ways-to-sleep-better-in-hot-weather/feed/ 1 https://scitechdaily.com/the-surprising-reason-women-may-seem-better-at-multitasking/ https://scitechdaily.com/the-surprising-reason-women-may-seem-better-at-multitasking/#respond Wed, 15 Jul 2026 16:16:55 +0000 https://scitechdaily.com/?p=525006 Men and women performed similarly on most multitasking measures, but a difference in conversational engagement may shape how their overall ability is perceived. A person can keep cooking, search for information, and track a visual task without appearing overwhelmed. But if they stop responding during a conversation, others may quickly assume they are losing control. [...]]]> https://scitechdaily.com/the-surprising-reason-women-may-seem-better-at-multitasking/feed/ 0 https://scitechdaily.com/a-lost-human-lineage-may-have-left-a-genetic-legacy-in-people-today/ https://scitechdaily.com/a-lost-human-lineage-may-have-left-a-genetic-legacy-in-people-today/#respond Wed, 15 Jul 2026 15:41:50 +0000 https://scitechdaily.com/?p=524144 Homo erectus may have left a detectable genetic trace in living humans through ancient interbreeding with Denisovans. For much of the 20th century, human evolution was often pictured as a branching tree. One trunk split into separate limbs, and each ancient human relative, or hominin, occupied its own tidy branch. That was the version many [...]]]> https://scitechdaily.com/a-lost-human-lineage-may-have-left-a-genetic-legacy-in-people-today/feed/ 0 https://scitechdaily.com/study-reveals-a-surprising-link-between-birth-control-pills-and-binge-eating/ https://scitechdaily.com/study-reveals-a-surprising-link-between-birth-control-pills-and-binge-eating/#respond Wed, 15 Jul 2026 15:06:56 +0000 https://scitechdaily.com/?p=524807 A large longitudinal study examined whether hormone exposure from combined oral contraceptives is associated with changes in emotional eating. Hormonal birth control is widely used, but its effects can extend beyond pregnancy prevention. New research suggests that, for some women, the active hormone pills in combined oral contraceptives may also influence eating behavior. In a [...]]]> https://scitechdaily.com/study-reveals-a-surprising-link-between-birth-control-pills-and-binge-eating/feed/ 0 https://scitechdaily.com/nasa-unveils-technologies-that-could-build-the-future-of-the-moon-and-mars/ https://scitechdaily.com/nasa-unveils-technologies-that-could-build-the-future-of-the-moon-and-mars/#comments Wed, 15 Jul 2026 11:59:42 +0000 https://scitechdaily.com/?p=525071 NASA is teaming up with 37 companies to develop the next generation of technologies that could make long-term exploration of the Moon and Mars possible. NASA has chosen 41 proposals from 37 U.S. companies to help develop technologies needed for a sustained human presence on the Moon and eventual crewed missions to Mars. The companies [...]]]> https://scitechdaily.com/nasa-unveils-technologies-that-could-build-the-future-of-the-moon-and-mars/feed/ 2 https://scitechdaily.com/nasa-just-took-a-major-step-toward-building-a-moon-base/ https://scitechdaily.com/nasa-just-took-a-major-step-toward-building-a-moon-base/#respond Wed, 15 Jul 2026 11:24:41 +0000 https://scitechdaily.com/?p=525070 NASA is taking another major step toward a permanent Moon base with four new commercial missions that will test technology, deliver science, and help prepare for humanity’s future beyond Earth. NASA has selected three commercial space companies to carry out four new lunar missions in late 2028 through the agency’s Moon Base Program. Astrobotic, Firefly [...]]]> https://scitechdaily.com/nasa-just-took-a-major-step-toward-building-a-moon-base/feed/ 0 https://scitechdaily.com/nasas-hirise-captures-perseverance-rover-completing-a-marathon-on-mars/ https://scitechdaily.com/nasas-hirise-captures-perseverance-rover-completing-a-marathon-on-mars/#respond Wed, 15 Jul 2026 10:49:43 +0000 https://scitechdaily.com/?p=525072 A new NASA orbital image captures Perseverance after completing a marathon across the surface of Mars. NASA’s Perseverance rover has completed the equivalent of a full marathon on Mars, reaching 26.2 miles (42.195 kilometers) after five years and four months of driving across the Red Planet. The milestone came on the 1,890th Martian day, or [...]]]> https://scitechdaily.com/nasas-hirise-captures-perseverance-rover-completing-a-marathon-on-mars/feed/ 0 https://scitechdaily.com/567-million-year-old-fossils-suggest-animals-evolved-earlier-than-we-thought/ https://scitechdaily.com/567-million-year-old-fossils-suggest-animals-evolved-earlier-than-we-thought/#comments Tue, 14 Jul 2026 23:06:15 +0000 https://scitechdaily.com/?p=524065 The story of Earth’s first animals may need rewriting after ancient fossils revealed an earlier start to complex life. From butterflies to blue whales, corals, and worms, Earth is home to an incredible diversity of animals. How all of these animals evolved from earlier, simpler ancestors is one of the most exciting stories in the [...]]]> https://scitechdaily.com/567-million-year-old-fossils-suggest-animals-evolved-earlier-than-we-thought/feed/ 1 https://scitechdaily.com/scientists-discover-a-5-million-year-old-whale-graveyard-deep-beneath-the-indian-ocean/ https://scitechdaily.com/scientists-discover-a-5-million-year-old-whale-graveyard-deep-beneath-the-indian-ocean/#comments Tue, 14 Jul 2026 22:31:15 +0000 https://scitechdaily.com/?p=524073 A deep ocean whale graveyard is revealing new clues about whale evolution and the ecosystems that form around their remains. When a whale dies, its body can become the beginning of an entire deep ocean ecosystem. For a time, the carcass may drift at the surface, drawing sharks and other predators. Eventually, after weathering and [...]]]> https://scitechdaily.com/scientists-discover-a-5-million-year-old-whale-graveyard-deep-beneath-the-indian-ocean/feed/ 1 https://scitechdaily.com/ancient-dna-reveals-the-hidden-origins-of-chinas-mysterious-shimao-civilization/ https://scitechdaily.com/ancient-dna-reveals-the-hidden-origins-of-chinas-mysterious-shimao-civilization/#respond Tue, 14 Jul 2026 21:56:18 +0000 https://scitechdaily.com/?p=524350 Ancient DNA from Shimao reveals local origins, broad prehistoric connections, a patrilineal social structure, and gender-specific patterns of human sacrifice. At Shimao, a vast stone-walled settlement in northern China, ancient DNA is filling in details that archaeology alone could not fully resolve. The genetic evidence is helping trace where the people of this late Neolithic [...]]]> https://scitechdaily.com/ancient-dna-reveals-the-hidden-origins-of-chinas-mysterious-shimao-civilization/feed/ 0 https://scitechdaily.com/scientists-finally-solve-a-50-year-mystery-hidden-in-solid-nitrogen/ https://scitechdaily.com/scientists-finally-solve-a-50-year-mystery-hidden-in-solid-nitrogen/#comments Tue, 14 Jul 2026 18:51:15 +0000 https://scitechdaily.com/?p=524941 Researchers have uncovered compelling evidence about the elusive structure of a high-pressure phase of solid nitrogen. Nitrogen makes up most of Earth’s atmosphere, but under intense pressure and low temperatures, it can form solid phases with unexpectedly complex structures. One of these phases, γ-N2, remained poorly understood for more than 50 years despite repeated experimental [...]]]> https://scitechdaily.com/scientists-finally-solve-a-50-year-mystery-hidden-in-solid-nitrogen/feed/ 3 https://scitechdaily.com/saturns-largest-moon-may-hold-the-resources-for-a-space-colony/ https://scitechdaily.com/saturns-largest-moon-may-hold-the-resources-for-a-space-colony/#comments Tue, 14 Jul 2026 18:16:19 +0000 https://scitechdaily.com/?p=524088 Titan’s resources could one day make Saturn’s largest moon a major outpost for deep space exploration. Titan is one of the few places in the Solar System where the landscape can feel strangely familiar and completely alien at the same time. Saturn’s largest moon has weather, clouds, rain, lakes, and seas, but its cycle is [...]]]> https://scitechdaily.com/saturns-largest-moon-may-hold-the-resources-for-a-space-colony/feed/ 6 https://scitechdaily.com/new-wearable-patch-boosts-rem-sleep-without-drugs-or-surgery/ https://scitechdaily.com/new-wearable-patch-boosts-rem-sleep-without-drugs-or-surgery/#respond Tue, 14 Jul 2026 17:41:17 +0000 https://scitechdaily.com/?p=524819 A wearable bioelectronic device increased REM sleep in real-world trials without invasive surgery or medication. A restless night can leave more than fatigue behind. REM sleep plays a central role in emotional processing, stress adaptation and mental recovery, and persistent disruptions to this stage have been linked to conditions including depression, anxiety and post-traumatic stress [...]]]> https://scitechdaily.com/new-wearable-patch-boosts-rem-sleep-without-drugs-or-surgery/feed/ 0 https://scitechdaily.com/new-strategy-could-break-pancreatic-cancers-protective-shield/ https://scitechdaily.com/new-strategy-could-break-pancreatic-cancers-protective-shield/#respond Tue, 14 Jul 2026 15:14:31 +0000 https://scitechdaily.com/?p=524967 A newly identified inflammatory signaling target may help weaken the protective environment surrounding pancreatic tumors and make existing treatments more effective. Pancreatic tumors are not made up of cancer cells alone. They are surrounded by scar-like tissue, immune cells, and support cells that can shield the disease from treatment. A new study suggests that disrupting [...]]]> https://scitechdaily.com/new-strategy-could-break-pancreatic-cancers-protective-shield/feed/ 0 https://scitechdaily.com/scientists-discover-a-surprising-link-between-sleep-genes-and-alzheimers/ https://scitechdaily.com/scientists-discover-a-surprising-link-between-sleep-genes-and-alzheimers/#comments Tue, 14 Jul 2026 14:39:25 +0000 https://scitechdaily.com/?p=524940 A new study suggests that sleep habits may influence how certain genetic variants affect early brain and cognitive changes associated with Alzheimer’s disease. Sleep may do more than help the brain recover from a busy day. New research suggests it could also influence how certain genes shape the earliest brain changes associated with Alzheimer’s disease. [...]]]> https://scitechdaily.com/scientists-discover-a-surprising-link-between-sleep-genes-and-alzheimers/feed/ 1 https://scitechdaily.com/popular-childhood-drinks-linked-to-higher-blood-pressure-later-in-life/ https://scitechdaily.com/popular-childhood-drinks-linked-to-higher-blood-pressure-later-in-life/#comments Tue, 14 Jul 2026 14:04:26 +0000 https://scitechdaily.com/?p=524966 Not all sources of dietary sugar appear to affect cardiovascular health in the same way, and one common drink may be less harmless than many assume. A child’s everyday drink choices may leave a cardiovascular imprint that lasts for decades. A long-term study of more than 25,000 people found that frequent consumption of sugar-sweetened beverages [...]]]> https://scitechdaily.com/popular-childhood-drinks-linked-to-higher-blood-pressure-later-in-life/feed/ 1 https://scitechdaily.com/rare-iridescent-optical-effect-discovered-in-a-famous-australian-frog/ https://scitechdaily.com/rare-iridescent-optical-effect-discovered-in-a-famous-australian-frog/#respond Tue, 14 Jul 2026 11:40:06 +0000 https://scitechdaily.com/?p=525002 An endangered Australian frog has been hiding a remarkable visual trick in plain sight. Researchers at the University of Newcastle discovered that the green and golden bell frog (Ranoidea aurea) has iridescent skin on its inner thighs. As the frog or observer moves, the normally blue area can appear green, creating one of the clearest [...]]]> https://scitechdaily.com/rare-iridescent-optical-effect-discovered-in-a-famous-australian-frog/feed/ 0 https://scitechdaily.com/urban-rodents-are-evolving-to-survive-common-poisons/ https://scitechdaily.com/urban-rodents-are-evolving-to-survive-common-poisons/#comments Tue, 14 Jul 2026 11:05:13 +0000 https://scitechdaily.com/?p=524868 Urban rodents may be evolving genetic defenses against widely used control methods. A mouse that eats poison and survives does more than escape a trap. It may pass that survival advantage to the next generation. That possibility is becoming increasingly relevant in cities across the northeastern United States, where pest control professionals have reported that [...]]]> https://scitechdaily.com/urban-rodents-are-evolving-to-survive-common-poisons/feed/ 1 https://scitechdaily.com/scientists-just-challenged-a-70-year-old-myth-about-the-human-brain/ https://scitechdaily.com/scientists-just-challenged-a-70-year-old-myth-about-the-human-brain/#comments Tue, 14 Jul 2026 10:30:11 +0000 https://scitechdaily.com/?p=524823 A new study challenges the familiar idea that the brain evolved by stacking rational systems on top of primitive emotional ones. A familiar dilemma sits behind countless choices: follow the careful reasoning in your head, or trust the feeling in your gut. Popular culture often turns that tension into a simple story about two brains [...]]]> https://scitechdaily.com/scientists-just-challenged-a-70-year-old-myth-about-the-human-brain/feed/ 2