6,875 results
6,875 results for: Bears
- Ecosystems
How mammoths competed with other animals and lost
Mammoths, mastodons and other ancient elephants were wiped out at the end of the last ice age by climate change and spear-wielding humans.
- Astronomy
NASA wants your help naming New Horizons’ next destination
NASA’s New Horizons mission team is asking the public to vote on a nickname for the spacecraft’s next destination.
- Earth
Diamonds reveal sign of the deepest water known inside Earth
A rare form of ice crystal in the gems could have formed only at the crushing pressures found in the mantle.
- Health & Medicine
Malaysia is ground zero for the next malaria menace
With deforestation in Malaysia, monkeys and humans are getting closer — and mosquitoes are infecting humans with malaria from monkeys.
- Life
More than 2 billion people lack safe drinking water. That number will only grow.
By 2050, half the world’s population may no longer have safe water to drink or grow food. What then?
- Anthropology
Ardi walked the walk 4.4 million years ago
Ancient hominid evolved upright stance without sacrificing climbing ability.
- Earth
Plate tectonics started at least 3.5 billion years ago
Analyses of titanium in rock suggest plate tectonics began 500 million years earlier than thought.
- Paleontology
T. rex’s silly-looking arms were built for slashing
Tyrannosaurus rex may have used its small arms for slashing prey.
- Planetary Science
Getting NASA’s Pluto mission off the ground took blood, sweat and years
Alan Stern talks about the new book ‘Chasing New Horizons’ and what’s next for the spacecraft that got close to Pluto.
- Astronomy
White dwarf’s inner makeup is mapped for the first time
The first map of the internal composition of a white dwarf star shows these stellar corpses contain more oxygen than expected, challenging stellar evolution theories.
- Anthropology
Ancient kids’ toys have been hiding in the archaeological record
Some unusual finds from thousands of years ago are actually toys and children’s attempts at mimicking adult craftwork.
- Oceans
In the deep ocean, these bacteria play a key role in trapping carbon
Mysterious nitrite-oxidizing bacteria capture more carbon than previously thought and may be the primary engine at the base of the deep ocean’s food web.
