Silver has been used for centuries as an antimicrobial to kill harmful bacteria. Ancient civilizations applied the metal to open wounds. Ship captains tossed silver coins into storage barrels to keep drinking water fresh.
Cell & Microbiology
Oct 3, 2018
0
17
American farmers are using smaller amounts of better targeted pesticides, but these are harming pollinators, aquatic insects and some plants far more than decades ago, a new study finds.
Plants & Animals
Apr 1, 2021
2
982
Popular science fiction of the early 20th century depicted Venus as some kind of wonderland of pleasantly warm temperatures, forests, swamps and even dinosaurs. In 1950, the Hayden Planetarium at the American Natural History ...
Space Exploration
Oct 16, 2018
18
666
With its brilliant sun, white sand and turquoise water, Lido Key Beach would make for a perfect postcard of Florida beaches if it weren't for the dozens of dead fish lying on the shore, killed by a toxic algae bloom known ...
Ecology
Mar 19, 2023
1
94
The second cancer victim in a year to win a surprise victory against US pesticide maker Monsanto raises the prospect of a flood of similar lawsuits, potentially leaving the firm's new German owner Bayer with a major case ...
Business
Mar 20, 2019
0
14
Hydrogen sulfide, the pungent stuff often referred to as sewer gas, is a deadly substance implicated in several mass extinctions, including one at the end of the Permian period 251 million years ago that wiped out more than ...
Plants & Animals
Apr 17, 2013
9
0
With Mars and Europa out of reach, many scientists have turned to studying some of the Arctic and Antarctic microbes that have adapted to similarly harsh conditions on Earth.
Earth Sciences
Oct 6, 2014
5
0
It's tough to love our clothes and keep wearing them for longer when we are faced with a tempting array of newness on offer in the shops. But before you head out into the January sales for those irresistible deals, spare ...
Materials Science
Jan 3, 2018
0
61
Scientists in the United States said Tuesday they were developing a faster, more efficient way of gauging the toxicity of chemicals, which may reduce the need for animal testing.
Biochemistry
Jan 26, 2016
0
499
Extracts of okra and other slimy plants commonly used in cooking can help remove dangerous microplastics from wastewater, scientists said Tuesday.
Materials Science
Mar 26, 2022
1
652
