The Earth's climate has undergone some big changes, from global volcanism to planet-cooling ice ages and dramatic shifts in solar radiation. And yet life, for the last 3.7 billion years, has kept on beating.
Earth Sciences
Nov 16, 2022
0
718
Shape-memory metals, which can revert from one shape to a different one simply by being warmed or otherwise triggered, have been useful in a variety of applications, as actuators that can control the movement of various devices. ...
Materials Science
Oct 5, 2022
0
215
Nearly half the stars in our galaxy are solitary like the sun. The other half comprises stars that circle other stars, in pairs and multiples, with orbits so tight that some stellar systems could fit between Earth and the ...
Astronomy
Oct 5, 2022
1
566
Subtropical gyres are enormous rotating ocean currents that generate sustained circulations in the Earth's subtropical regions just to the north and south of the equator. These gyres are slow-moving whirlpools that circulate ...
Earth Sciences
Oct 3, 2022
0
263
Researchers at the MIT Media Lab have designed a miniature antenna that can operate wirelessly inside of a living cell, opening up possibilities in medical diagnostics and treatment and other scientific processes because ...
Bio & Medicine
Sep 22, 2022
0
262
What will be the impact to the ocean if humans are to mine the deep sea? It's a question that's gaining urgency as interest in marine minerals has grown.
Earth Sciences
Sep 21, 2022
0
204
Swirling around the planet's equator, the rings of Saturn are a dead giveaway that the planet is spinning at a tilt. The belted giant rotates at a 26.7-degree angle relative to the plane in which it orbits the sun. Astronomers ...
Planetary Sciences
Sep 15, 2022
3
396
NASA's James Webb Space Telescope is revealing the universe with spectacular, unprecedented clarity. The observatory's ultrasharp infrared vision has cut through the cosmic dust to illuminate some of the earliest structures ...
Astronomy
Sep 15, 2022
3
247
On the red and dusty surface of Mars, nearly 100 million miles from Earth, an instrument the size of a lunchbox is proving it can reliably do the work of a small tree.
Space Exploration
Aug 31, 2022
1
1676
Symbiotic relationships between legumes and the bacteria that grow in their roots are critical for plant survival. Without those bacteria, the plants would have no source of nitrogen, an element that is essential for building ...
Plants & Animals
Aug 11, 2022
0
724
