783 results
783 results for: Mammoths
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- Genetics
When flowers died out in Arctic, so did mammoths
Genetic analysis finds vegetation change in the Arctic around same time as megafauna extinction.
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19914
Your article suggested yet a second possibility leading to the decline or extinction of the mammoths in the region of the apparent iron micrometeorite-shower impact, which drove the metallic particles into the sides of the fossil tusks examined. That same shower of high-velocity metallic particles found in the tusks probably perforated the skin and soft […]
- Planetary Science
The Whole Enceladus
Saturn's moon Enceladus has become the hottest new place to look for life in the chilly outer solar system.
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Sizing Up the Brain
Genetic mutations that produce small brains provide insight into the formation and evolution of the human brain.
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Science News of the Year 2002
A review of important scientific achievements reported in Science News during the year 2002.
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Science News of the Year 2002
A review of important scientific achievements reported in Science News during the year 2002.
- Astronomy
Big Smash: Galaxy clusters in collision
Astronomers have unveiled the most detailed image ever taken of the collision of two clusters of galaxies.
- Tech
Exploding wires open sharp X-ray eye
Using exploding wires to make low-energy X-rays, a novel, high-resolution camera snaps X-ray pictures of millimeter-scale or larger objects—such as full insects—in which features only micrometers across show up throughout the image.
- Ecosystems
Move over, Leo. Give me more elbow room
The average size of the largest land animals on each of 25 oceanic islands and five continents strongly depends on the land area there.
- Astronomy
Martian equator: A watery outpost?
A catastrophic outpouring of water—four times the volume contained in Lake Tahoe—may have gushed from fissures near the equator on Mars as recently as 10 million years ago.
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