770 results
770 results for: Mammoths
- Astronomy
Celestial Divide: Finding two families of galaxies
By analyzing data from a mammoth sky survey, astromoners have found that galaxies divide into two distinct families, depending on their stellar mass.
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From the January 11, 1930, issue
THOMAS H. MORGAN GIVEN NEW HONOR The American Association for the Advancement of Science has chosen Dr. Thomas Hunt Morgan to succeed the eminent physicist Dr. Robert Andrews Millikan as president. To many the name of Thomas Hunt Morgan is synonymous with the modern theory of the gene as the determining factor in heredity. Upon […]
- Astronomy
Pluto or bust?
A new National Research Council report may revive plans to send a spacecraft to explore Pluto and its neighborhood.
- Archaeology
New World hunters get a reprieve
New radiocarbon evidence indicates that, beginning around 11,000 years ago, human hunters contributed to North American mammal extinctions that had already been triggered by pronounced climate shifts.
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- Anthropology
Drowned land holds clue to first Americans
A map of a now-flooded region charts the path that Asians may have taken to first reach the Americas.
- Astronomy
Repainting the cosmic palette
After all the hue and cry about the color of the universe, astronomers have now revised their findings: It’s not pale green, but boring old beige.
- 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.
- Archaeology
Ancestors who came in from the cold
Researchers found the remains of a 36,000-year-old human occupation in the Russian Arctic, which represents the earliest evidence of a human presence that far north.
- Astronomy
A Dark View of the Universe
Two new studies suggest that galaxies may be surrounded by vast halos of dark matter extending at least 1.5 million light-years from each galaxy's center.
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- Anthropology
Southern Reindeer Folk
Western scientists make their first expeditions to Mongolia's Tsaatan people, herders who preserve the old ways at the southernmost rim of reindeer territory.
