2024-07-09 21:43:18动物植物
研究表明,母鸡的颜色会影响小鸡的学习效率

In a study published in iScience, researchers at Queen Mary University of London have taken major steps in better understanding some key questions about learning and intelligence. Led by Dr. Elisabetta Versace, the team used chicks to try and answer some

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2024-07-09 21:30:35动物植物
奶牛中H5N1流感病毒的特征可能促进哺乳动物的感染和传播

A series of experiments with highly pathogenic H5N1 avian influenza (HPAI H5N1) viruses circulating in infected U.S. dairy cattle found that viruses derived from lactating dairy cattle induced severe disease in mice and ferrets when administered via intra

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2024-07-09 21:19:57动物植物
揭示了苏格兰第一种“几乎是哺乳动物”的罗伯索尼氏蜥

Discovered in the early 1840s, Saurodesmus robertsoni is an enigmatic fossil that has puzzled scientists for over two centuries. A recent study by Dr. Tomasz Szczygielski and his team of international researchers has finally shed light on this elusive spe

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2024-07-09 21:07:13动物植物
研究预测北大西洋和北极海洋生态系统因气候变化而发生重大变化

New research predicts significant shifts in marine fish communities in the North Atlantic and Arctic Oceans as a result of climate warming.

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2024-07-09 20:55:54动物植物
新发现提高生物乙醇生产效率和利润

A new technique to monitor contamination in bioethanol production could increase revenue by more than $1.6 billion USD and reduce CO2 emissions by 2 million tons.

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2024-07-09 20:43:31动物植物
细菌闪光:新发现为可持续彩色技术开辟了可能性

An international team of researchers of the Cluster of Excellence "Balance of the Microverse" at the University of Jena has investigated the mechanism that makes some types of bacteria reflect light without using pigments. The researchers were i

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2024-07-09 20:33:14动物植物
古代野狗DNA显示现代野狗与现代犬种几乎没有共同祖先

Dingoes arrived in Australia more than 3,000 years ago. Now a new study has compared DNA from fossilized dingo remains dating back 2,746 years with DNA from modern dingoes. The work finds that K'gari dingoes have no domestic dog ancestry—they are pure di

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2024-07-09 20:20:20动物植物
生物学家发现,尽管有寄生虫,但恢复后的牡蛎保护区仍有更多的海洋生物

In the campaign to restore Chesapeake Bay, oyster sanctuaries rank among the most hotly contested strategies. But new research suggests these no-harvest areas are working, and not only for the oysters.

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2024-07-09 20:09:38动物植物
一项新研究增加了鲜为人知的大洋洲雌性扇尾鳐的分布和繁殖数据

Among the cartilaginous fish of the class Chondrichthyes, batoid rays—along with sharks, skates and sawfish—belong to the subclass known as Elasmobranchii. To date, limited literature exists on the reproductive practices of batoid rays, including the Ocea

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2024-07-09 19:55:00动物植物
人类超越进化趋势,破解大脑大小之谜

The largest animals do not have proportionally bigger brains—with humans bucking this trend—a study published in Nature Ecology & Evolution has revealed.

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2024-07-08 10:13:16动物植物
化石显示,在恐龙出现之前,就已经存在有锋利尖牙的巨大蝾螈类捕食者

Scientists have revealed fossils of a giant salamanderlike beast with sharp fangs that ruled waters before the first dinosaurs arrived.

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2024-07-07 10:17:15动物植物
我们绘制了整个比尔比的基因组图,现在我们可以用粪便拯救澳大利亚的“复活节兔子”免于灭绝

Commonly known as Australia's "Easter bunny" due to its large ears and hopping movement, the greater bilby (Macrotis lagotis) is the last of its kind. Today we published its reference genome—all 3.66 billion pieces of it.

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