2025-05-28 20:49:54动物植物
消化如何影响猫头鹰颗粒的分子分析?

Scientists are using isotopes to answer a surprising variety of questions about the world, according to University of Cincinnati Professor Brooke Crowley.

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2025-05-28 20:39:20动物植物
在干燥的条件下,蝗虫幼崽出生时第一次吃午饭

Locusts have undersized babies—with their first lunch already in their guts—in dry conditions. Desert locusts have two distinct modes—solitary and gregarious—that are behaviorally and visibly different. The insects also live in the Sahara desert, an envir

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2025-05-28 20:25:44动物植物
改变作物品种可以延长生物农药的有效性

Changes to a pest's diet could slow the evolution of resistance to biopesticides, according to research from University of Stirling scientists.

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2025-05-28 20:14:00动物植物
山羊会伸出蹄子吗?研究提供了农场动物亲社会行为的证据

Can goats help each other? A new study by the Research Institute of Farm Animal Biology (FBN) in Dummerstorf in collaboration with colleagues from the University of Veterinary Medicine Vienna suggests that goats exhibit prosocial behavior—i.e. they are wi

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2025-05-28 19:59:38动物植物
研究人员在人工智能的帮助下发现了未知分子

Researchers have developed a machine learning model called DreaMS, which significantly accelerates the analysis of previously unknown molecules. The study is published in Nature Biotechnology.

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2025-05-28 19:45:39动物植物
大胆的发现:科学家在恐龙身上发现了以前未知的软组织结构

Researchers have found evidence of a previously unrecognized soft tissue structure in the cheek region of many dinosaur species, which they've called the "exoparia." The finding deepens our understanding of dinosaur anatomy and highlights t

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2025-05-28 19:31:18动物植物
寨卡病毒利用细胞“自我照顾”系统来对抗宿主

A new study reveals the biological secret to the Zika virus's infectious success: Zika uses host cells' own "self-care" system of clearing away useless molecules to suppress the host proteins that the virus has employed to get into tho

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2025-05-28 19:19:02动物植物
在西班牙发现了2万年前的鲸骨工具

Humans were making tools from whale bones as far back as 20,000 years ago, according to a study conducted by scientists from the Institute of Environmental Science and Technology of the Universitat Autònoma de Barcelona (ICTA-UAB), the French National Cen

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2025-05-28 19:06:16动物植物
研究揭示了人类DNA修复过程的复杂分子细节

Researchers have revealed the structural mechanisms of a major DNA repair pathway in human cells.

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2025-05-28 18:55:43动物植物
感知颜色线索可以帮助监测红海的珊瑚健康状况

Coral reefs form a vital part of the marine ecosystem, playing host to diverse species and supporting multiple industries, including fisheries, tourism, and recreation. However, these fragile ecosystems are under increasing threat from climate change, wit

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2025-05-28 18:44:40动物植物
极端干旱会破坏草原的稳定性,削弱优势草的影响

A study published in Ecology Letters reveals that extreme drought conditions are altering the stability of grassland productivity by shifting underlying ecological mechanisms.

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2025-05-28 18:32:52动物植物
红树林蟹利用光学几何结构增强同种信号传导

In the tangled darkness of Southeast Asian mangrove forests, one crab species appears to have evolved a structure that functions like a miniature car headlamp. Researchers at the National University of Singapore have discovered that the facial bands of Pa

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