Through analyses of ice cores from Greenland and Antarctica, a research team led by Lund University in Sweden has found evidence of an extreme solar storm that occurred about 9,200 years ago. What puzzles the researchers ...
Planetary Sciences
Jan 26, 2022
0
837
An international research team has used the X-ray laser European XFEL to gain new insights into how radiation damage occurs in biological tissue. The study reveals in detail how water molecules are broken apart by high-energy ...
Optics & Photonics
Dec 6, 2021
0
15
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
About 95% of all crystal structures obtained for various proteins and deposited in public databases are captured using cryogenic technology. This technology requires frozen conditions. Scientists at St. Jude Children's Research ...
Biochemistry
Aug 19, 2021
0
419
Living beings are continuously exposed to harmful agents, both exogenous (ultraviolet radiation, polluting gases, etc.) and endogenous (secondary products of cellular metabolism) that can affect DNA integrity. That's why ...
Cell & Microbiology
Jun 17, 2021
0
1
Hard X-ray free-electron lasers (XFELs) have delivered intense, ultrashort X-ray pulses for over a decade. One of the most promising applications of XFELs is in biology, where researchers can capture images down to the atomic ...
Optics & Photonics
Jan 19, 2021
1
92
Ultraviolet light endangers the integrity of human genetic information and may cause skin cancer. For the first time, researchers at Karlsruhe Institute of Technology (KIT) have demonstrated that DNA damage may also occur ...
Biochemistry
Sep 14, 2020
0
595
Several minerals suffer radioactive self-irradiation and experience long-term changes to their properties. The mineral monazite behaves like Camembert cheese in which holes are drilled: existing radiation damage heals itself. ...
Materials Science
Sep 9, 2020
0
465
When fast-moving ions cross paths with large biomolecules, the resulting collisions produce many low-energy electrons which can go on to ionize the molecules even further. To fully understand how biological structures are ...
General Physics
Aug 7, 2020
0
10
A multi-institution team has used positron beams to probe the nature of radiation effects, providing new insight into how damage is produced in iron films. This exploration can improve the safety of materials used in nuclear ...
Materials Science
Jul 30, 2020
0
71
