搜索结果: 1-9 共查到“理学 Life on Earth”相关记录9条 . 查询时间(0.068 秒)
New research analyzing pieces of the most ancient rocks on the planet adds some of the sharpest evidence yet that Earth’s crust was pushing and pulling in a manner similar to modern plate tectonics at...
Selenium may support deep microbial life in Earth's continental crust
microbial earthcrust Se ecological system
2021/8/5
International drilling efforts over the last decades into the seafloor have provided increasing evidence for the existence of an extensive deep biosphere below the seafloor. There, circulating fluids ...
Life on Earth:National Science Foundation awards $23 million for studies of planet's biodiversity
Life on Earth National Science Foundation awards $23 million planet's biodiversity
2015/9/18
Rapid changes are happening in the Arctic: ice cover is shrinking, permafrost is thawing. But what's happening to ground-dwelling species such as mosses?
Mosses are critical parts of nutrient cycles ...
Life on Earth:National Science Foundation awards $23 million for studies of planet's biodiversity
Life on Earth National Science Foundation $23 million planet's biodiversity
2015/9/25
Rapid changes are happening in the Arctic: ice cover is shrinking, permafrost is thawing. But what's happening to ground-dwelling species such as mosses?Mosses are critical parts of nutrient cycles in...
BOOK REVIEW | Seasick: Ocean Change and the Extinction of Life on Earth
Marine biologist seasick Marine pollution
2015/7/7
You feel light-headed, your knees are weak, your eyes lose focus, and whatever is in your stomach wants to get out. This sickness is familiar to many who sail on the ocean, one that I have gotten to k...
Long term time variability of cosmic rays and possible relevance to the development of life on Earth
cosmic rays lightning evolution
2010/3/9
An analysis is made of the manner in which the cosmic ray intensity at Earth has varied over its existence and its possible relevance to both the origin and the evolution of life. Much of the analysis...
NASA Research Reveals Major Insight Into Evolution Of Life On Earth
Major Insight Earth Evolution Of Life
2009/8/20
Humans might not be walking on Earth today if not for the ancient fusing of two microscopic, single-celled organisms called prokaryotes, NASA-funded research has found.
NASA Study Shows Asteroids May Have Accelerated Life on Earth
NASA Asteroids Accelerated Life Earth
2009/5/21
The study focused on a particularly cataclysmic occurrence known as the Late Heavy Bombardment, or LHB. This event occurred approximately 3.9 billion years ago and lasted 20 to 200 million years. In a...
Among the most enduring and perplexing questions pondered by humankind are why, how, and when life began on Earth, and whether life exists elsewhere in the solar system or the universe. Attempts to an...