2025-04-19 15:15:32动物植物
琥珀中保存的古代寄生“捕蝇草”黄蜂揭示了寄生蜂的策略

An extinct lineage of parasitic wasps dating from the mid-Cretaceous period and preserved in amber may have used their Venus flytrap-like abdomen to capture and immobilize their prey.

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2025-04-19 15:03:21动物植物
DNA显微镜从内到外创建生物体的3D图像

Standard genetic sequencing approaches can tell you a lot about the genetic makeup and activity in a sample, like a piece of tissue or drop of blood. But they don't tell you where specific genetic sequences were located inside that sample, or their relat

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2025-04-19 14:50:45动物植物
科学家呼吁将帝企鹅列入国际自然保护联盟红色名录

Scientists at the Woods Hole Oceanographic Institution (WHOI), in collaboration with international partners, have developed a novel approach to addressing uncertainties in ecological and environmental projections, providing a more robust assessment of ext

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2025-04-19 14:37:10动物植物
犹他州生态学家证实,“蜂巢州”名副其实

Wildlife conservation is critical to sustaining the planet's biodiversity and health. But putting together a conservation plan is a tall order. First of all, you need to determine what species you're conserving, along with their numbers, habitat needs,

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2025-04-19 14:22:42动物植物
研究发现运动细胞的普遍性——这一发现可能会影响健康和机器人技术

A study focusing on analyzing cell models found universality in their movement—an important discovery that could impact both health and robotics.

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2025-04-19 14:08:06动物植物
科学家发现酶是如何在低温下进化的

Life has evolved over billions of years, adapting to the changing environment. Similarly, enzymes—proteins that speed up biochemical reactions (catalysis) in cells—have adapted to the habitats of their host organisms. Each enzyme has an optimal temperatur

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2025-04-19 13:53:54动物植物
在土壤中添加硅可以帮助番茄植株对抗南美番茄蛲虫

A team of entomologists and botanists at the International Center of Insect Physiology and Ecology in Nairobi and the University of Pretoria has found that adding silicon to soil can help tomato plants fight off the destructive South American tomato pinwo

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2025-04-19 13:43:16动物植物
谁在打电话?蝙蝠通过解决感官冲突战胜了欺骗

Would you answer someone's cry for help if that someone was sitting unharmed in front of you? Most probably would not, and bats have similar reservations, according to a new study published in Current Biology in which researchers from the Museum für Natu

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2025-04-19 13:32:45动物植物
被忽视的多样性:新的研究表明植物、真菌甚至病毒都使用毒液

A new study reveals plants, fungi, bacteria, protists, and even some viruses deploy venom-like mechanisms, similar to that of venomous snakes, scorpions and spiders, according to researchers at Loma Linda University School of Medicine.

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2025-04-19 13:20:07动物植物
植物用数百万张小嘴“呼吸”——激光照亮气孔行为的进化

Plant behavior may seem rather boring compared with the frenetic excesses of animals. Yet the lives of our vegetable friends, who tirelessly feed the entire biosphere (including us), are full of exciting action. It just requires a little more effort to ap

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2025-04-19 13:09:35动物植物
不用强制喂食制作鹅肝

Foie gras is a unique delicacy made from the liver of a duck or goose. While it can be an acquired taste, the buttery, fatty dish is an indulgent cuisine prized in many parts of the world.

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2025-04-19 12:56:57动物植物
研究人员发现,C.diff使用有毒化合物来促进生长优势

The pathogen C. diff—the most common cause of health care-associated infectious diarrhea—can use a compound that kills the human gut's resident microbes to survive and grow, giving it a competitive advantage in the infected gut.

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