2025-05-10 09:16:26动物植物
由于人工选择,哈巴狗和波斯猫的脸上呈现出惊人的相似性

Through intensive breeding, humans have pushed breeds such as pug dogs and Persian cats to evolve with very similar skulls and "smushed" faces, so they're more similar to each other than they are to most other dogs or cats.

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2025-05-10 09:01:59动物植物
研究人员发现肠道寄生虫隐孢子虫如何改变宿主细胞

Researchers at the Francis Crick Institute have shown that the Cryptosporidium parasite exports a protein into infected intestinal cells, altering the gut environment and enabling the parasite to survive and replicate.

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2025-05-10 08:47:31动物植物
“极其罕见的事件”:骨骼分析表明古代针鼹生活在水中

A small bone found 30 years ago at Dinosaur Cove in southeastern Australia could turn what we know about the evolution of echidnas and platypuses on its head.

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2025-05-10 08:33:21动物植物
马铃薯病原体的首张原子图揭示了潜在的感染机制

Plants are susceptible to a wide range of pathogens. For the common potato plant, one such threat is Pectobacterium atrosepticum, a bacterium that causes stems to blacken, tissues to decay, and often leads to plant death, resulting in significant agricult

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2025-05-10 08:19:02动物植物
研究发现,对农业土壤的集约化管理效果最好

The less intensively you manage the soil, the better the soil can function; for example, not plowing as often or using more grass-clover mixtures as cover crops. These are the conclusions of a research team led by the Netherlands Institute of Ecology (NIO

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2025-05-10 08:05:31动物植物
鱼粉和鱼油工厂的全球地图暴露了行业的足迹

Around the world, millions of tons of small fish are processed into fishmeal and fish oil (FMFO) each year—key ingredients in aquaculture that help farmed fish, like salmon, grow. A new University of British Columbia (UBC) study has revealed the global di

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2025-05-10 07:55:31动物植物
寄生在人体皮肤上的真菌可能提供新的抗生素

University of Oregon researchers have uncovered a molecule produced by yeast living on human skin that showed potent antimicrobial properties against a pathogen responsible for a half-million hospitalizations annually in the United States.

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2025-05-10 07:41:19动物植物
分子可以解除致病菌的武装,而不会伤害有益微生物

A consortium of researchers with multidisciplinary skills, coordinated by INRAE and including the CNRS, the Université Paris-Saclay and Inserm, has identified a molecule capable of "disarming" pathogenic bacteria in the face of the immune system

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2025-05-10 07:30:24动物植物
研究表明,在关键的海底工程师中,人们普遍食用鱼类

Many of the fish we eat play a key role in maintaining the seabed—and therefore our climate, new research shows. Convex Seascape Survey scientists assessed the role of fish in bioturbation (churning and reworking sediments) in shallow UK seas. Their paper

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2025-05-10 07:17:52动物植物
蒙古戈壁沙漠发现恐龙时代新哺乳动物化石

A joint research team has discovered a fossil belonging to a previously unknown genus and species of mammal in the Late Cretaceous (100–66 million-year-old) strata of Mongolia's Gobi Desert.

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2025-05-10 07:07:35动物植物
糖信号处理可以使小麦产量提高12%

Enhancing wheat plants' sugar signaling ability could deliver increased yields of up to 12%, according to researchers from Rothamsted, Oxford University and the Rosalind Franklin Institute, published in the journal Nature Biotechnology. That is an order

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2025-05-10 06:53:09动物植物
巨型袋鼠在“气候剧变”中死亡

Giant prehistoric kangaroos perished when "climate upheaval" turned lush Australian rainforest into desert, scientists said Thursday after studying ancient fossils with new techniques.

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