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

阅读全文
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

阅读全文
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.

阅读全文
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

阅读全文
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.

阅读全文
2024-07-09 17:56:38前沿信息
用于肾脏疾病检测的集成微流体和元表面的新平台

Development of a new way to accurately measure human serum albumin (HSA) levels in people with chronic kidney disease has progressed in recent testing by Flinders University and Japanese researchers.

阅读全文
2024-07-09 17:45:04前沿信息
柔性纳米压印光刻实现了仿生微结构的高效制造

Gallium nitride (GaN)-based light-emitting diodes (LEDs) have transformed the lighting industry by replacing conventional lighting technologies with superior energy efficiency, longer operating life and greater environmental sustainability. In recent year

阅读全文
2024-07-09 17:28:56前沿信息
同时实现高性能和高稳定性:开发杂化生物纳米结构

A research team developed hybrid bio-nanostructures then used them to fabricate fibrous solar cells (FSCs) and fibrous organic light-emitting diodes (FOLEDs) that demonstrated high performance and stability across a wide temperature range, from minus 80 d

阅读全文
2024-07-09 17:14:46前沿信息
快速热冲击法实现金属纳米粒子在碳载体上的均匀分散

The electrocatalytic reduction of carbon dioxide into high-value chemicals and fuels offers a promising strategy for addressing the global energy crisis and worsening environmental issues. However, the high thermodynamic stability of CO2 molecules, compet

阅读全文
2024-07-09 17:00:27前沿信息
研究小组使用“纳米尺”来确定脑肿瘤组织通透性的阈值

Currently, there is no effective treatment for glioblastoma multiforme (GBM), the most frequent and malignant type of brain tumor. Some low molecular weight antitumor agents are used to permeate the gaps between endothelial cells in the BBTB (blood−brain

阅读全文
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.

阅读全文
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.

阅读全文
 12650   首页 上一页 682 683 684 685 686 687 688 689 690 691 下一页 尾页