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
One can easily see with the naked eye that leaving an old nail out in the rain causes rust. What does require the keen eyes and sensitive nose of microscopy and spectroscopy is observing how iron corrodes and forms new minerals, ...
Materials Science
Oct 13, 2021
0
80
Scientists at Monash University's Biomedicine Discovery Institute (BDI) have discovered a new role for a known protein in oxidative stress, which is linked to diseases such as Alzheimer's and Parkinson's, diabetes, cardiovascular ...
Cell & Microbiology
Oct 13, 2021
0
31
Without thin films, there would be no modern electronics or high-quality mirrors. The semiconductor chips used in our cell phones and computers rely on thin films made of different materials, including metal oxides that contain ...
Nanomaterials
Oct 12, 2021
0
94
Crack! Lightning strikes are bright and loud—violent enough to shake your bones and light up the sky. Now, a new study led by the University of Colorado Boulder suggests that these powerful events may also alter the chemistry ...
Earth Sciences
Oct 11, 2021
0
35
Researchers at the National Institute of Standards and Technology (NIST) and collaborators have devised and tested a new, highly sensitive method of detecting and counting defects in transistors—a matter of urgent concern ...
Quantum Physics
Oct 7, 2021
0
46
Set to launch next year, NASA's Psyche mission marks the first time the agency has set out to explore an asteroid richer in metal than rock or ice.
Astronomy
Oct 4, 2021
0
221
Some time in Earth's early history, the planet took a turn toward habitability when a group of enterprising microbes known as cyanobacteria evolved oxygenic photosynthesis—the ability to turn light and water into energy, ...
Evolution
Sep 28, 2021
14
419
If you're old enough, you may still have a box of cassette or VHS tapes lying around. These storage devices were popular in the 1970s and 80s, but have since fallen into disuse, replaced by CDs and other digital media.
Nanomaterials
Sep 14, 2021
0
48
A new, location-specific agricultural greenhouse gas emission study is the first to account for net carbon dioxide, methane and nitrous oxide emissions from all subsectors related to food production and consumption. The work, ...
Environment
Sep 13, 2021
0
123
