生物医学科技前线

Animals have been eating nature’s original bioplastic for millions of years Nature invented biodegradable plastic long before humans did—and animals may have been feeding on it for hundreds of millions of years. Researchers discovered that do… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-08-17 13:34 GMT+8（北京时间）

Scientists tracked kids for 8 years — the screen time result was unexpected An eight-year Finnish study found that children who spent more time on screens tended to show better cognitive processing as teenagers, challenging common assumptions… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-08-17 14:41 GMT+8（北京时间）

Frequent cannabis users wake up with their “stress hormone” already elevated Frequent cannabis users may wake up with unusually high levels of the stress hormone cortisol, suggesting their daily stress rhythms could be disrupted. Researchers s… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-08-09 20:40 GMT+8（北京时间）

Frequent cannabis users wake up with their “stress hormone” already elevated Frequent cannabis users may wake up with unusually high levels of the stress hormone cortisol, suggesting their daily stress rhythms could be disrupted. Researchers s… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-08-09 20:40 GMT+8（北京时间）

Scientists find a simple way to stop cavities without drilling A liquid brushed onto cavities in seconds may spare many young children from pain, infection, and surgery. A major U.S. trial found that silver diamine fluoride stopp… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-29 20:35 GMT+8（北京时间）

These insect submariners survive depths that should crush them Lake fly larvae plunge more than 200 meters into Lake Malawi each day to hide from predators, using tiny air sacs to control their depth. A rubber-like material calle… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-27 21:37 GMT+8（北京时间）

Your dreams aren’t random. Your brain is rewriting reality Dreams are not random mental noise. A large study of more than 3,700 dream and waking reports found that what we experience during sleep is shaped by both our persona… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-27 21:08 GMT+8（北京时间）

These insect submariners survive depths that should crush them Lake fly larvae plunge more than 200 meters into Lake Malawi each day to hide from predators, using tiny air sacs to control their depth. A rubber-like material calle… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-27 21:37 GMT+8（北京时间）

These insect submariners survive depths that should crush them Lake fly larvae plunge more than 200 meters into Lake Malawi each day to hide from predators, using tiny air sacs to control their depth. A rubber-like material calle… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-27 21:37 GMT+8（北京时间）

Your dreams aren’t random. Your brain is rewriting reality Dreams are not random mental noise. A large study of more than 3,700 dream and waking reports found that what we experience during sleep is shaped by both our persona… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-27 21:08 GMT+8（北京时间）

These insect submariners survive depths that should crush them Lake fly larvae plunge more than 200 meters into Lake Malawi each day to hide from predators, using tiny air sacs to control their depth. A rubber-like material calle… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-27 21:37 GMT+8（北京时间）

These insect submariners survive depths that should crush them Lake fly larvae plunge more than 200 meters into Lake Malawi each day to hide from predators, using tiny air sacs to control their depth. A rubber-like material calle… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-27 21:37 GMT+8（北京时间）

These insect submariners survive depths that should crush them Lake fly larvae plunge more than 200 meters into Lake Malawi each day to hide from predators, using tiny air sacs to control their depth. A rubber-like material calle… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-27 21:37 GMT+8（北京时间）

The best way to save giant sequoias may be more fire Giant sequoias are built to withstand ordinary fires, but recent extreme wildfires killed thousands of trees that had survived for centuries or even millennia. A new … 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-26 21:18 GMT+8（北京时间）

A single dose reversed autism-like symptoms in adult mice within hours Even mild inflammation during pregnancy led mouse offspring to develop persistent brain overactivity, sensory sensitivity, repetitive behaviors, and increased seizure… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-25 23:09 GMT+8（北京时间）

Scientists detect hidden skin damage before it becomes visible Scientists have discovered a hidden warning sign of skin damage that appears before collagen fibers visibly thin, break, or lose their connections. Using advanced lig… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-20 21:38 GMT+8（北京时间）

Scientists detect hidden skin damage before it becomes visible Scientists have discovered a hidden warning sign of skin damage that appears before collagen fibers visibly thin, break, or lose their connections. Using advanced lig… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-20 21:38 GMT+8（北京时间）

Eating chili peppers may raise the risk of one deadly cancer A major review found that people who consumed the most chili peppers had a substantially higher risk of esophageal cancer, though the evidence was less clear for stom… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-14 21:27 GMT+8（北京时间）

This dinosaur fossil captures the final moments of a T. rex attack A fossilized Edmontosaurus skull with a Tyrannosaurus tooth still embedded in its face has given scientists rare evidence of a dramatic predator-prey encounter. The d… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-14 14:48 GMT+8（北京时间）

This common pesticide may be quietly wiping out future bumblebees A next-generation pesticide designed to kill crop pests may also be interfering with the reproductive health of bumblebees. Researchers discovered that low-dose expos… 来源: ScienceDaily ｜ 阅读全文 发布时间: 2026-07-10 19:58 GMT+8（北京时间）