6,773 results
6,773 results for: Bears
- 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.
- Health & Medicine
Babies’ kicks in the womb are good for their bones
A new study adds to the evidence that fetal workouts are important for strong bodies.
- Animals
2017 delivered amazing biology finds from organisms large and small
From giant African elephants to tiny tardigrades, scientists discovered some surprising biology this year.
- Archaeology
Cave art suggests Neandertals were ancient humans’ mental equals
Ancient humans’ close relatives also created rock art and shell ornaments, studies assert.
- Anthropology
Ancient climate shifts may have sparked human ingenuity and networking
Stone tools signal rise of social networking by 320,000 years ago in East Africa, researchers argue.
