Scientists have long known that frogs are oddballs when it comes to teeth. Some have tiny teeth on their upper jaws and the roof of their mouths while others sport fanglike structures. Some species are completely toothless. ...
Evolution
Jun 1, 2021
1
166
Given the ability of artificial intelligence to mimic humans' problem-solving ability, it's not surprising that many people are turning to AI-powered wellness coaches to help them plan exercise routines, track their nutrition, ...
Social Sciences
Jul 14, 2023
0
1
The early 1900s were an exciting time across the world, with rapid advances in the steel, electric and automobile industries. The industrial changes also mark an inflection point in our climate. According to an international ...
Earth Sciences
Jun 30, 2022
1
179
Billions of years ago, the Red Planet was far more blue; according to evidence still found on the surface, abundant water flowed across Mars and forming pools, lakes, and deep oceans. The question, then, is where did all ...
Planetary Sciences
Mar 16, 2021
9
3230
The word "drought" typically conjures images of parched soil, dust-swept prairies, depleted reservoirs, and dry creek beds, all the result of weeks or seasons of persistently dry atmospheric conditions.
Earth Sciences
Dec 15, 2023
0
66
The promise of superconductivity for electrical power transmission and transportation has long been held back by high costs. Now researchers from the University of Houston and Germany have demonstrated a way to cut the cost ...
Superconductivity
Apr 24, 2023
8
112
A catastrophic drop in atmospheric ozone levels around the tropics is likely to have contributed to a bottleneck in the human population around 60 to 100,000 years ago, an international research team has suggested. The ozone ...
Earth Sciences
Jun 1, 2021
0
906
Invasive species that wreck crops, ravage forests, spread disease, and upend ecosystems are spreading ever faster across the globe, and humanity has not been able to stem the tide, a major scientific assessment said Monday.
Ecology
Sep 4, 2023
0
102
Over 50 billion tons of sand is mined every year—and it's pushing species to the brink of extinction.
Plants & Animals
Jan 17, 2023
0
290
When the ground rumbles in Antarctica, it may be an icequake—like an earthquake but caused by the movement of ice, not rock. A new study by Penn State researchers found that these seismic events are driven by ocean tides ...
Earth Sciences
Aug 28, 2023
0
135
