783 results
783 results for: Mammoths
- Life
Climate not really what doomed large North American mammals
Prevalence of a dung fungus over time suggests megafauna extinctions at end of last ice age started before vegetation changed.
- Space
Star outweighed any known in Milky Way
A nearby supernova was a big blast, challenging theories of how massive stars live and die.
- Space
Gamma-ray burst may reveal some of oldest dust in the universe
Remote flash may have uncovered supernova-generated dust from just 1 billion years after the Big Bang
- Psychology
Ancient hominids grabbed early northern exposure
Newly recovered stone tools indicate that hominids lived in chilly northwestern Europe more than 800,000 years ago.
- Paleontology
Oldest dog debated
A fossil jaw may, or may not, come from the oldest known example of man’s best friend.
- Earth
Ice Age Ends Smashingly: Did a comet blow up over eastern Canada?
An extraterrestrial object apparently exploded above Canada about 12,900 years ago, sparking devastating wildfires and triggering a millennium-long cold spell.
- Humans
Neandertal mitochondrial DNA deciphered
Researchers have completed a mitochondrial genome sequence from a Neandertal. DNA taken from a 38,000-year-old bone indicates that humans and Neandertals diverged 660,000 years ago and are distinct groups.
- Life
Humans aided, constrained by fossil fuels
Maintaining long-term population will require alternate energy sources.
- Space
Tiny object points to remote solar system reservoir
Possible comet may be distant visitor from the innermost region of the Oort Cloud, the proposed comet reservoir of the outermost solar system.
- Earth
Mammoth migrations
Ancient DNA shows North American woolly mammoths migrated back to Asia and displaced Siberian mammoths.
- Humans
Stone Age seafood fans
Excavations in two Gibraltar caves suggest that Neandertals, like modern humans, regularly visited the Mediterranean shore to complement a land-based diet with seafood
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Sperm in frozen animals still viable years later
Sperm stored inside frozen organs or whole animals can produce healthy offspring years later.
