7,733 results
- Life
Rock-climbing fish caught in evolution tug-of-war
Tall is good for dodging danger, but short is better for climbing waterfalls.
- Anthropology
Peking Man fossils show their age
Scientists have pushed back the age of Peking Man, raising questions about whether Homo erectus trekked to eastern Asia in two separate migrations.
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- Space
Meteorites could have thickened primordial soup
New experiments show that extraterrestrial impacts that occurred early in our planet's history could have created the raw materials for life.
- Earth
Surprise find taps into magma
In a scientific first, engineers drill into a subterranean pocket of molten rock.
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Science Future for July 19, 2008
Upcoming events in science featured in July 19, 2008 issue of Science News.
- Earth
Minerals evolved along with life
Turns out, the variety and number of minerals in the solar system and on Earth have increased through time, and some minerals exist because Earth has life.
- Life
Everyday tree deaths have doubled
In past 50 years, apparently healthy forests have started losing trees faster, possibly because of climate change.
- Earth
Animal ancestors may have survived ‘snowball Earth’
Chemical fossils in Precambrian sedimentary rock push back the first date for animal life.
- Space
Whiff of Martian methane offers lively possibilities
The definitive discovery in Mars’ atmosphere of methane — often, but not always, a compound hinting at life — introduces the possibility of underground organisms.
- Humans
Otters and oil: Problems remain
The behavior of Alaska's southern sea otters may unwittingly expose them to toxic oil-spill residues.
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Challenges to building a disaster-resilient nation
Comment from David Applegate, chair of the National Science and Technology Council's Subcommittee on Disaster Reduction and senior science adviser for earthquake and geologic hazards at the U.S.Geological Survey.
