You've probably seen the UV index in the day's weather forecast, and you know it tells you when you need to cover up and wear sunscreen.
Environment
Dec 21, 2021
0
32
An interdisciplinary research team from the University of Bayreuth, the University of Hohenheim, and the Bavarian State Natural Science Collections has discovered how different climatic conditions influence the chemical properties ...
Plants & Animals
Dec 20, 2021
0
47
The durability of asphalt depends crucially on bitumen—the black binder that holds the small stones in the asphalt together. As the bitumen ages, it can change its properties and become brittle, eventually causing the asphalt ...
Materials Science
Dec 15, 2021
0
83
When astronomers observe superwinds traveling at extremely high speeds from super star clusters, or "starbursts," they previously assumed the winds were driven by supernovae, the explosions of stars.
Astronomy
Nov 2, 2021
3
150
Infrared (IR) light is invisible to humans. However, some animals, such as rattlesnakes or bloodsucking bats, can perceive IR radiation and use it to find food. But even for humans, the ability to see in the short-wave IR ...
Optics & Photonics
Oct 26, 2021
1
65
Sunscreen that includes zinc oxide, a common ingredient, loses much of its effectiveness and becomes toxic after two hours of exposure to ultraviolet radiation, according to a collaboration that included Oregon State University ...
Materials Science
Oct 14, 2021
3
4088
Seabirds from Gough Island in the south Atlantic, Marion Island near Antarctica and the coasts of both Hawaii and Western Australia have a dangerous habit: eating plastic. Across 32 species of seabirds sampled from around ...
Plants & Animals
Oct 11, 2021
0
38
If humans want to live on Mars for a longer period it will be necessary to grow their own crops over there. And what is more logical than growing the crops in a greenhouse on the surface, profiting from the sunlight, as seen ...
Space Exploration
Aug 13, 2021
1
1143
Plant leaves is the main organ that converts inorganic carbon into organic carbon. Leaf mass area (the leaf mass per unit area, LMA) characterizes the morphological, physiological and biochemical functions of the leaves, ...
Plants & Animals
Aug 11, 2021
0
10
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
