Mars once ran red with rivers. The telltale tracks of past rivers, streams and lakes are visible today all over the planet. But about three billion years ago, they all dried up—and no one knows why.
Planetary Sciences
May 26, 2022
8
1768
A critical goal in genetics and evolution is predicting the effects of mutations that may happen in the future and inferring the effects of those that happened in the past. To make these predictions, scientists generally ...
Evolution
May 19, 2022
0
531
For all their uncanny intelligence and seemingly supernatural abilities to change color and regenerate limbs, octopuses often suffer a tragic death. After a mother octopus lays a clutch of eggs, she quits eating and wastes ...
Plants & Animals
May 12, 2022
0
36
For humans, background noise is generally just a minor irritant. But for quantum computers, which are very sensitive, it can be a death knell for computations. And because "noise" for a quantum computer increases as the computer ...
Quantum Physics
Jan 26, 2022
1
417
Astronomers are one step closer to revealing the properties of dark matter enveloping our Milky Way galaxy, thanks to a new map of twelve streams of stars orbiting within our galactic halo.
Astronomy
Jan 11, 2022
28
283
There are extinctions, and then there's the "Great Dying." That was the Permian-Triassic extinction around 250 million years ago, which wiped out nearly all life on Earth.
Evolution
Dec 2, 2021
0
1599
Rearranging the parts of a molecule is like rearranging the contents of a tightly packed suitcase: You must go through a number of steps, taking objects in and out to get the configuration you want.
Biochemistry
Nov 18, 2021
0
75
Proteins are the building blocks of all living things. A vast amount research takes place on how these proteins are made and what they do, from enzymes that carry out chemical reactions to messengers that transmit signals ...
Molecular & Computational biology
Nov 17, 2021
0
155
Moving heat around where you want it to go—adding it to houses and hairdryers, removing it from car engines and refrigerators—is one of the great challenges of engineering.
Condensed Matter
Sep 30, 2021
0
319
Even though neutrons love to partner with protons to make the nucleus of an atom, the particles have always been notorious for their reluctance to bind with each other. But according to a new proposed theory, these particles ...
General Physics
Sep 1, 2021
15
890
