The composition of blood stains changes over the course of weeks and months. Forensic medicine hopes to make use of this fact in future to convict suspects—or to prove their innocence.
Analytical Chemistry
May 31, 2023
0
6
Exhaust fumes probably come to mind when considering vehicle emissions, but they aren't the only source of pollutants released by a daily commute. In a recent Environmental Science & Technology study, researchers report that ...
Environment
May 30, 2023
0
107
Scientists studying the most venomous spider in the world have found the venom of some varies depending on circumstances—which could provide insights into how they could be of use for human health.
Plants & Animals
May 29, 2023
0
1733
On a sunny springtime stroll through a park, it's easy to ignore the parts of plants that are hidden from view. Plant biologists see things differently. They look below the surface where plant roots are organized in elaborate ...
Plants & Animals
May 25, 2023
0
303
Traces of sex hormones extracted from a woolly mammoth's tusk provide the first direct evidence that adult males experienced musth, a testosterone-driven episode of heightened aggression against rival males, according to ...
Plants & Animals
May 3, 2023
0
119
Stanford researchers have discovered a simple and environmentally sound way to make ammonia with tiny droplets of water and nitrogen from the air.
Materials Science
Apr 24, 2023
5
175
Sitting on the beach, taking in the breeze, you might think the sea air is better for you than its inland equivalent. But researchers at the University of Houston have found that the air along the Gulf of Mexico coast in ...
Environment
Mar 29, 2023
0
12
Is nitrate responsible for algae, flowers, and even your neighbors? A team of Virginia Tech geoscientists have unearthed evidence that may indicate yes.
Earth Sciences
Mar 22, 2023
0
101
A new NASA mission to Saturn's giant moon, Titan, is due to launch in 2027. When it arrives in the mid-2030s, it will begin a journey of discovery that could bring about a new understanding of the development of life in the ...
Astrobiology
Mar 17, 2023
0
442
In a major joint project with top Indian scientists, PSI researchers have determined why smog forms at night in the Indian capital New Delhi, contrary to all the rules of atmospheric chemistry. Their results have now been ...
Earth Sciences
Mar 13, 2023
0
51
