2025-05-12 04:05:17动物植物
消失的秃鹫可能会给地球带来隐性成本

Falling vulture numbers in the Americas could have serious implications for public health and ecosystems, new research has found.

阅读全文
2025-05-12 03:51:11动物植物
首次发现濒危热带树木的化石证据

For the first time, scientists have discovered fossil evidence of an endangered, living tropical tree species. The unprecedented find was made in Brunei, a country on the large island of Borneo, and reveals a critical piece of the ancient history of Asia

阅读全文
2025-05-12 03:39:44动物植物
黄蜂妈妈在喂养幼崽方面记忆力非凡

Digger wasps make a short burrow for each egg, stocking it with food and returning a few days later to provide more. A new study reveals that mother wasps can remember the locations of up to nine separate nests at once, rarely making mistakes, despite the

阅读全文
2025-05-12 03:26:40动物植物
细菌产生“有机洗碗液”来降解油

The marine bacterium Alcanivorax borkumensis feeds on oil, multiplying rapidly in the wake of oil spills, and thereby accelerating the elimination of pollution, in many cases. It does this by producing an "organic dishwashing liquid" which it us

阅读全文
2025-05-12 03:14:41动物植物
研究发现,黑猩猩群体以独特的节奏打鼓

New research from a team of cognitive scientists and evolutionary biologists finds that chimpanzees drum rhythmically, using regular spacing between drum hits. Their results, published in Current Biology, show that eastern and western chimpanzees—two dist

阅读全文
2025-05-12 03:03:57动物植物
活泼的苍蝇能拯救人类生命吗?细菌感染如何促进滥交

When fruit flies are infected with the Wolbachia bacteria, their sex lives—and ability to reproduce—change dramatically. Arizona State University scientist Timothy Karr decided to find out why. What he discovered could help curb mosquito-borne diseases an

阅读全文
2025-05-12 02:50:07动物植物
研究发现,当关键酶被阻断时,细胞的蛋白质清除失败

In neurodegenerative diseases such as Alzheimer's or Parkinson's, proteins accumulate in the body's cells, fold incorrectly and clump together to form larger aggregates.

阅读全文
2025-05-12 02:35:42动物植物
研究表明,每次在水中浸泡太久,你的手指都会以同样的方式起皱

Do your wrinkles always form in the same pattern every time you're in the water for too long? According to new research from Binghamton University, State University of New York, the answer is yes.

阅读全文
2025-05-12 02:22:35动物植物
能够切割纤维素的天然酶可以改变生物燃料的生产

The deconstruction of cellulose is essential for the conversion of biomass into fuels and chemicals. But cellulose, the most abundant renewable polymer on the planet, is extremely recalcitrant to biological depolymerization. Although composed entirely of

阅读全文
2025-05-12 02:09:34动物植物
更现实地看待DNA的作用:研究表明,当被分子拥挤时,它的行为会有所不同

By creating a more true-to-life representation of DNA's environment, researchers at Northwestern University have discovered that strand separation—the essential process a "resting" double helix undergoes before it can initiate replication or ma

阅读全文
2025-05-12 01:56:25动物植物
语言的起源:野生黑猩猩反映了人类语言的语言结构

Humans are the only species on Earth known to use language. They do this by combining sounds into words and words into sentences, creating infinite meanings.

阅读全文
2025-05-12 01:41:32动物植物
同时表达CAR和TCR的工程化T细胞可以更好地区分癌组织和健康组织

Researchers have developed an innovative dual-receptor T-cell therapy that promises safer and more effective cancer treatments. This study, published in Cell, demonstrates that engineering T-cells to express both a Chimeric Antigen Receptor (CAR) and a T-

阅读全文
 3112   首页 上一页 26 27 28 29 30 31 32 33 34 35 下一页 尾页