6,888 results
6,888 results for: Bears
- Ecosystems
How researchers flinging salmon inadvertently spurred tree growth
Scientists studying salmon in Alaska flung dead fish into the forest. After 20 years, the nutrients from those carcasses sped up tree growth.
- Animals
Here’s yet more evidence that the mythical yeti was probably a bear
A more complete genetic analysis amps up the evidence that the legendary creatures known as yetis are actually bears.
- Earth
Earth’s core may have hardened just in time to save its magnetic field
Earth’s inner core began to solidify sometime after 565 million years ago — just in time to prevent the collapse of the planet’s magnetic field, a study finds.
- Archaeology
Ancient South Americans tasted chocolate 1,500 years before anyone else
Artifacts with traces of cacao push back the known date for when the plant was first domesticated by 1,500 years.
- Paleontology
Colorful moth wings date back to the dinosaur era
Microscopic structures that scatter light to give color to the wings of modern butterflies and moths date back almost 200 million years.
- Life
Explore the history of blood from vampires to the ‘Menstrual Man’
Rose George’s book ‘Nine Pints’ offers readers an engaging and insightful cultural and scientific history of blood.
- Climate
Hurricane Willa breaks an eastern and central Pacific storm season record
The combined might of eastern and central Pacific hurricanes produced a record-breaking year of storm energy.
- Tech
A new airplane uses charged molecules, not propellers or turbines, to fly
A small aircraft prototype is powered by ionic wind flowing in one direction and pushing the plane in the other.
- Planetary Science
A buried lake on Mars excited and baffled scientists
Planetary scientists are still trying to explain how a lake could have formed beneath a kilometer and a half of Martian ice.
- Paleontology
How birds may have escaped the dino-killing asteroid impact
A tree-loving lifestyle became a risk for ancient birds in a world-changing catastrophe.
- Animals
A new species of tardigrade lays eggs covered with doodads and streamers
These elegant eggs hint that a tardigrade found in a Japanese parking lot is a new species.
- Planetary Science
Readers contemplate water on Mars and more
Readers had questions about the significance of finding water on mars, air pollution from wildfires and spray-on sensors.
