Not just anything is allowed to enter the nucleus, the heart of eukaryotic cells where, among other things, genetic information is stored. A double membrane, called the nuclear envelope, serves as a wall, protecting the contents ...
Biochemistry
Aug 27, 2015
0
3197
Almost all scientists agree that burning fossil fuels is contributing to climate change. But agreement is less clear cut on how exactly it's influencing rising global temperatures.
Environment
Aug 20, 2019
2
148
Antarctica's ice sheets are still releasing radioactive chlorine from marine nuclear weapons tests in the 1950s, a new study finds. This suggests regions in Antarctica store and vent the radioactive element differently than ...
Earth Sciences
Oct 16, 2019
0
634
Sound waves thought to be from a 2014 meteor fireball north of Papua New Guinea were almost certainly vibrations from a truck rumbling along a nearby road, new Johns Hopkins University-led research shows. The findings raise ...
Astronomy
Mar 7, 2024
5
348
After their initial blast, space rockets shoot away from the Earth with rumbles in infrasound, soundwaves too low to be heard by human ears that can travel thousands of miles.
Space Exploration
Jun 10, 2021
0
130
In a vast hangar in a north German shipyard, environmental pressure group Greenpeace's latest weapon is nearing completion: the state-of-the-art Rainbow Warrior III.
Environment
Jul 2, 2011
14
0
Argonne scientists look to 3-D printing to ease separation anxiety, which paves the way to recycle more nuclear material.
General Physics
Oct 11, 2019
0
581
Animals cover astonishing distances when they are looking for food. While caribou, reindeer and wolves clock up impressive mileage on land, seabirds are unrivaled in their traveling distances. Arctic terns travel from the ...
Plants & Animals
Dec 24, 2023
0
117
France's nuclear monitor said on Thursday that the amount of caesium 137 that leaked into the Pacific from the Fukushima disaster was the greatest single nuclear contamination of the sea ever seen.
Environment
Oct 27, 2011
17
1
On Oct. 10, 2006, a mortar round hit the ammunition supply depot at the U.S. Forward Operating Base Falcon south of Baghdad. The round started a smoldering fire punctuated by whizzing skyrockets, a rain of incandescent fragments, ...
Earth Sciences
Dec 22, 2015
2
394
