2024-02-29 16:34:33动物植物
小鼠研究发现,雌性嗅觉线索会加速死亡和生殖衰老

Sensory cues from the opposite sex can influence how animals age, a University of Otago-led study has found.

阅读全文
2024-02-29 16:34:31动物植物
北大西洋露脊鲸雌性体型变小,导致出生人数减少

A team of oceanologists affiliated from the U.S. and Scotland has found reductions in body size of female North Atlantic right whales is resulting in fewer births, endangering the species. In their study, published in Royal Society Open Science, the group

阅读全文
2024-02-29 16:34:27动物植物
构建用于海洋探索的仿生水母

Jellyfish can't do much besides swim, sting, eat, and breed. They don't even have brains. Yet, these simple creatures can easily journey to the depths of the oceans in a way that humans, despite all our sophistication, cannot.

阅读全文
2024-02-29 16:34:23动物植物
新发现加速科学家开发耐黄病柑橘

It's one thing for a hybrid citrus tree to tolerate citrus greening disease (a.k.a. Huanglongbing) and quite another if it also produces orange-like fruit—especially if the juice makes for a delicious breakfast beverage. Now, that holy grail of traits co

阅读全文
2024-02-29 16:34:21动物植物
研究小组揭示了驱动所有细胞膜形成的通用代码

Researchers at the University of Alberta have uncovered what they say has been the missing puzzle piece ever since the genetic code was first cracked.

阅读全文
2024-02-29 16:34:18动物植物
大麻油被发现是治疗犬盘状红斑狼疮的有效药物

A team of veterinary students and scientists at the Federal University of Santa Catarina, in Brazil, working with the Cannabis Development and Innovation Center, also in Brazil, has found that oral administration of cannabis oil to dogs can reduce symptom

阅读全文
2024-02-29 16:34:15动物植物
基因密码的变化可能解释人类祖先是如何失去尾巴的

A genetic change in our ancient ancestors may partly explain why humans don't have tails like monkeys, finds a new study led by researchers at NYU Grossman School of Medicine.

阅读全文
2024-02-26 16:06:30动物植物
果蝇卵母细胞内自组织扭曲的建模与模拟

Cytoplasmic streaming is the large-scale motion of cytoplasm (i.e., gelatinous liquid inside cells) inside a living cell. This flow, known to regulate various intracellular processes, can vary greatly between different cell types at different stages of a

阅读全文
2024-02-26 16:06:17动物植物
CRISPR/Cas9介导的橡胶蒲公英菊粉生物合成靶向突变

Researchers have leveraged the power of the CRISPR/Cas9 genome editing system to enhance natural rubber production in rubber dandelion (Taraxacum kok-saghyz). The CRISPR system's efficiency and precision offer a promising avenue to address challenges fac

阅读全文
2024-02-26 16:06:14动物植物
研究人员开发了树木繁殖模型,以更好地了解它如何影响生态系统

The effects of a phenomenon called tree masting on ecosystems and food webs can be better understood thanks to new theoretical models validated by real-world observations.

阅读全文
2024-02-26 16:06:07动物植物
美国安全协议阻止进口实验室猴子的结核病传播给人类

Rigorous safety protocols prevented an outbreak of tuberculosis last year in lab monkeys imported to the United States from spreading to humans, a new report shows.

阅读全文
2024-02-26 16:06:04动物植物
澳大利亚研究人员发现新的本土啮齿动物

Australia can lay claim to two new species of native rodent thanks to a study from The Australian National University (ANU).

阅读全文
 11855   首页 上一页 741 742 743 744 745 746 747 748 749 750 下一页 尾页