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Like ancient mariners, ancestors of Prochlorococcus microbes rode out to sea on exoskeleton particles（图）
原绿球菌 微生物 外骨骼颗粒 浮游植物 几丁质颗粒
2023/6/21
Throughout the ocean, billions upon billions of plant-like microbes make up an invisible floating forest. As they drift, the tiny organisms use sunlight to suck up carbon dioxide from the atmosphere. ...
中国地质大学科学技术发展院胡家铭（硕士生），盛桂莲*等，环境学院/BGEG国家重点实验室，Proceedings of the Royal Society B: Biological Sciences (2021), Ancient mitochondrial genomes from Chinese cave hyenas provide insights into the evolutionary history of the genus Crocuta（图）
中国；洞鬣狗；古线粒体；基因组；斑鬣狗属；演化历史
2021/10/15
2021年1月27日，中国地质大学赖旭龙教授领导的古DNA研究团队与德国波兹坦大学、丹麦哥本哈根大学等单位合作研究的成果“Ancient mitochondrial genomes from Chinese cave hyenas provide insights into the evolutionary history of the genus Crocuta（中国洞鬣狗古线粒体基因组为斑鬣狗...
Ancient Human Dna In Sub-Saharan Africa Lifts Veil On Prehistory（图）
Ancient Human Dna Sub-Saharan Africa Lifts Veil Prehistory
2017/10/24
The first large-scale study of ancient human DNA from sub-Saharan Africa opens a long-awaited window into the identity of prehistoric populations in the region and how they moved around and replaced o...
At first glance, humans seem to have very little in common with Cassiopea, a primitive jellyfish. Cassiopea is brainless, spineless, and spends essentially its entire life sitting upside down on the o...
Reconstruction of Ancient Chromosomes Offers Insight Into Mammalian Evolution（图）
Reconstruction Ancient Chromosomes Insight Into Mammalian Evolution
2017/7/24
What if researchers could go back in time 105 million years and accurately sequence the chromosomes of the first placental mammal? What would it reveal about evolution and modern mammals, including hu...
Stanford biologists identify ancient stress response in corals
Stanford biologists ancient stress response corals
2017/3/30
Stanford marine biologists have discovered that corals activate a specific group of ancient, defensive genes when exposed to stressful environmental conditions. These stress-induced genes could serve ...
Scientists engineer animals with ancient genes to test causes of evolution（图）
Scientists engineer animals ancient genes test causes of evolution
2017/2/16
Scientists at the University of Chicago have created the first genetically modified animals containing reconstructed ancient genes, which they used to test the evolutionary effects of genetic changes ...
Anthropometry: continued refinements and new developments of an ancient method
Anthropometry continued refinements new developments of an ancient method
2018/11/12
More than half a million people were displaced for >1 y during a 2012 conflict in Sudan (1). The ongoing violence led civilians to seek shelter in caves and to disperse in mountainous regions for safe...
Ancient bones point to shifting grassland species as climate changes
Ancient bones shifting grassland species climate changes
2016/4/13
More rainfall during the growing season may have led to one of the most significant changes in the Earth’s vegetation in the distant past, and similar climate changes could affect the distribution of ...
Ancient gene network helps plants adapt to their environments
Ancient gene network plants environments
2016/2/23
The only constant is change. In evolution, there are, however, some exceptions. While the enormous diversity of life suggests that organisms are constantly being refitted with new or modified parts, m...
Pre-Whaling Genetic Diversity and Population Ecology in Eastern Pacific Gray Whales: Insights from Ancient DNA and Stable Isotopes
Population Ecology Pre-Whaling Genetic Diversity
2015/12/11
Commercial whaling decimated many whale populations, including the eastern Pacific gray whale, but little is known about
how population dynamics or ecology differed prior to these removals. Of partic...
Scientists discover ancient safety valve linking pollen to bacteria
Scientists ancient safety valve pollen to bacteria
2015/11/12
Like seeds, pollen loses most of its water during maturation, entering a state of suspended animation. This allows it to survive its journey from male to female organs of a flower, where it is rehydra...
Ancient fossils show effect of humans on Caribbean wildlife
Ancient fossils humans Caribbean wildlife
2015/11/12
Nearly 100 fossil species found in a flooded cave on Abaco Island in the Bahamas reveal a story of persistence against all odds--at least until the time humans stepped foot on the islands.Researchers ...
From a very old skeleton,new insights on ancient migrations
very old skeleton ancient migrations
2015/10/13
Three years ago, a group of researchers found a cave in Ethiopia with a secret: it held the 4,500-year-old remains of a man, with his head resting on a rock pillow, his hands folded under his face, an...
The remains of tiny creatures found deep inside a mountaintop glacier in Peru are clues to the local landscape more than a millennium ago, according to a new study by Rice University, the University o...