搜索结果: 1-15 共查到“国际动态 理学 Diversity”相关记录21条 . 查询时间(0.062 秒)
A new research project aims to unravel the physical limits of cell size in budding yeast, with the ultimate goal of learning more about how cells, the fundamental units of life, modulate size control ...
According to data from the National Science Foundation, just three people of color earned doctoral degrees in paleontology in the United States in the year 2020. Two were from Penn.
Microbial diversity below the seafloor is as rich as on Earth's surface（图）
Microbial seafloor rich Earth's surface
2020/10/30
For the first time, researchers have mapped the biological diversity in marine sediment, one of Earth's largest global biomes. Although marine sediment covers 70% of Earth's surface, little was known ...
Diet diversity: Hawkfish species coexist on coral reefs thanks to differing food preferences（图）
Diet diversity Hawkfish species coexist coral reefs food preferences
2020/4/17
How can many species of hawkfish coexist in proximity on the same coral reef? The answer may lie in their individual diets.Hawkfish are brightly colored reef fish that live in tropical oceans. Many re...
Coastal pollution reduces genetic diversity of corals, reef resilience（图）
Coastal pollution genetic diversity coral reef resilience
2020/4/10
A new study published in the journal PeerJ by researchers at the University of Hawaii found that human-induced environmental stressors have a large effect on the genetic compositio...
Unraveling arthropod genomic diversity over 500 million years of evolution（图）
arthropod genomic diversity 500 million years evolution
2020/2/20
Comparative analyses by scientists at the Swiss Institute of Bioinformatics and other institutions of 76 arthropod species spanning 500 million years of evolution reveal genomic changes that point to ...
Study analyzing cells' blueprints reveals new patterns in the global distribution and diversity of ocean microbes（图）
Study analyzing cells blueprints reveals new patterns global distribution diversity ocean microbes
2019/12/27
A single drop of seawater can contain a wide representation of ocean microbes from around the world -- revealing new insights into the ecology, evolution and biotechnology potential of the global micr...
Microbe diversity is key to healthy coastal ecosystems（图）
Microbe diversity healthy coastal ecosystems
2019/11/15
For millions of years, symbiotic bacteria have lived inside the gills of Lucinidae clams found in seagrass meadows located along tropical coasts, such as the Florida Keys. These bacteria play a crucia...
Six million years ago, atmospheric shifts led to increased diversity of grassland mammals（图）
Six million years ago atmospheric shifts grassland mammals
2019/10/30
Six million years ago, grass-eating mammals became more diverse in South America. Shifts in tropical atmospheric circulation known as Hadley circulation led to changes in climate and vegetation, espec...
Advanced molecular techniques have revealed the diversity of a little-known group of ocean microbes, according to a publication in Scientific Reports. Scientists analyzed samples of the microbes, call...
Penn-led Study Identifies Genes Responsible for Diversity of Human Skin Colors（图）
Penn-led Study Identifies Genes Responsible Diversity of Human Skin Colors
2017/10/25
Human populations feature a broad palette of skin tones. But until now, few genes have been shown to contribute to normal variation in skin color, and these had primarily been discovered through studi...
Stanford research finds that diversity of large animals plays an important role in carbon cycle
Stanford diversity of large animals plays carbon cycle
2017/10/25
Trees in tropical forests are well known for removing carbon dioxide from the air and storing the potent greenhouse gas as carbon in their leafy branches and extensive roots. But a new analysis led by...
Glassfrogs Show Surprising Diversity of Parental Strategies
Glassfrogs Diversity Parental Strategies
2017/4/27
Laid on leaves hanging over streams in tropical rainforests, glassfrog eggs are tasty snacks for snakes, insects and other predators until they hatch and drop into the streams to begin life as tadpole...
Species diversity reduces chances of crop failure in algal biofuel systems
Species diversity reduces chances crop failure algal biofuel systems
2017/2/15
When growing algae in outdoor ponds as a next-generation biofuel, a naturally diverse mix of species will help reduce the chance of crop failure, according to a federally funded study by University of...
Genetic diversity crucial to Florida scrub-jay's survival
Genetic diversity Florida scrub-jay survival
2016/11/4
Legendary conservationist Aldo Leopold once advised: "To keep every cog and wheel is the first precaution of intelligent tinkering." For the Endangered Florida Scrub-Jay, new research shows that ...