A remarkable prediction of Einstein's theory of general relativity—the theory that connects space, time, and gravity—is that rotating black holes have enormous amounts of energy available to be tapped.
General Physics
Jan 13, 2021
5
3010
Humans have been wondering whether we alone in the universe since antiquity.
Astrobiology
May 19, 2020
45
6667
With the western United States and northern Mexico suffering an ever-lengthening string of dry years starting in 2000, scientists have been warning for some time that climate change may be pushing the region toward an extreme ...
Earth Sciences
Apr 16, 2020
35
2287
Every moment of the day we are surrounded by smells. Odors can bring back memories, or quickly warn us that food has gone bad. But how does our brain identify so many different odors? And how easily can we untangle the ingredients ...
Plants & Animals
Apr 9, 2020
2
82
On March 11, 2011, a magnitude 9 earthquake struck under the seabed off Japan—the most powerful quake to hit the country in modern times, and the fourth most powerful in the world since modern record keeping began. It generated ...
Earth Sciences
Mar 16, 2020
2
157
A scientific paper published in 1985 was the first to report a burgeoning hole in Earth's stratospheric ozone over Antarctica. Scientists determined the cause to be ozone-depleting substances—long-lived artificial halogen ...
Earth Sciences
Jan 20, 2020
53
2375
Columbia scientists have identified a brain circuit that drives fruit flies' ability to see in color—and found that it bears a striking resemblance to the circuitry behind our own capacity for color vision. These findings ...
Molecular & Computational biology
Jan 9, 2020
0
102
Researchers at Columbia University and University of California, San Diego, have introduced a novel "multi-messenger" approach to quantum physics that signifies a technological leap in how scientists can explore quantum materials.
Quantum Physics
Jan 3, 2020
0
3258
Scientists have identified systematic meanders in the globe-circling northern jet stream that have caused simultaneous crop-damaging heat waves in widely separated breadbasket regions-a previously unquantified threat to global ...
Earth Sciences
Dec 9, 2019
13
5307
For decades, scientists have speculated about the origin of the electromagnetic radiation emitted from celestial regions that host black holes and neutron stars—the most mysterious objects in the universe.
Astronomy
Nov 27, 2019
17
1396
