Using the tiny fragments of DNA that animals leave behind as they move through an environment is giving researchers an ever-greater insight into where and how they live.
Ecology
Feb 8, 2024
0
118
If life ever existed on Mars, the Perseverance rover's verification of lake sediments at the base of the Jezero crater reinforces the hope that traces might be found in the crater.
Astrobiology
Jan 26, 2024
10
119
Over the last century, die-offs of animal populations, known as mass mortality events (MMEs), have increased in frequency and magnitude. The scale of these events can be staggering: billions of dead fish, hundreds of thousands ...
Ecology
Jan 23, 2024
0
15
Researchers at the National Institute of Standards and Technology (NIST) have upgraded a highly precise technology designed to monitor emissions of methane, a critical greenhouse gas, and other trace gases, even in harsh ...
Earth Sciences
Jan 16, 2024
0
69
Dimethylsulfoniopropionate (DMSP) is a compound synthesized by marine phytoplankton for protection against the osmotic pressure of saline water. However, DMSP could also have a role in preventing freezing damage.
Ecology
Jan 11, 2024
0
12
When did archery arise in the Americas? And what were the effects of this technology on society?
Archaeology
Dec 20, 2023
0
318
A winter wonderland calls to mind piles of fluffy, glistening snow. But to reach the ground, snowflakes are swept into the turbulent atmosphere, swirling through the air instead of plummeting directly to the ground.
General Physics
Dec 19, 2023
0
9
The Third Pole, which spans the Tibetan Plateau and the surrounding Himalayas, Hindu Kush, and Tianshan Mountain ranges, is extremely vulnerable to the effects of climate change. Warming temperatures and altered rainfall ...
Earth Sciences
Dec 15, 2023
0
49
When it comes to greenhouse gases, methane is one the biggest contributors. Not only is it massively abundant—it's about 25 times more potent than carbon dioxide at trapping heat in the atmosphere.
Earth Sciences
Dec 12, 2023
0
41
Geochemist Alexandra Phillips has sulfur on her mind. The yellow element is a vital macronutrient, and she's trying to understand how it cycles through the environment. Specifically, she's curious about the sulfur cycle in ...
Earth Sciences
Nov 16, 2023
0
119
