Scientists from Japan and the U.S. have confirmed the presence in meteorites of a key organic molecule which may have been used to build other organic molecules, including some used by life. The discovery validates theories ...
Analytical Chemistry
Dec 7, 2020
1
1038
Warming waters and oxygen depletion in the Red Sea could slow the flow of organic carbon from the surface into the deep ocean where it can be stored, out of reach of the atmosphere. A KAUST team has used an underwater robot ...
Environment
Nov 30, 2020
0
5
The sinking carcasses of fish from near-surface waters deliver toxic mercury pollution to the most remote and inaccessible parts of the world's oceans, including the deepest spot of them all: the 36,000-foot-deep Mariana ...
Earth Sciences
Nov 16, 2020
13
757
In an important step during the early evolution of life on Earth, the formation of the amino acid cysteine delivered vital catalysts, which enabled the earliest protein molecules to form in water, according to a new study ...
Biochemistry
Nov 12, 2020
4
552
Why have cyanobacteria and algae evolved a wide variety of photosynthetic pigments, and how are these pigments distributed geographically? Scientists from the University of Amsterdam and Roscoff (France) give an intriguing ...
Ecology
Nov 10, 2020
0
71
Like water molecules in a river, soil carbon atoms are always in motion.
Biochemistry
Nov 3, 2020
0
9
Decaying jellyfish blooms fuel the rapid growth of just a few strains of seawater bacteria, effectively keeping this organic material within the water column food web, reveals a new study published in Frontiers in Microbiology. ...
Ecology
Oct 30, 2020
0
110
The element chromium, despite having various applications, has a bad reputation. This is because exposure to chromium compounds leads to a higher risk of respiratory cancer and other damaging effects on human health. To add ...
Materials Science
Oct 28, 2020
0
8
In paddy fields, water management creates long-term anaerobic conditions in which soil organic carbon (SOC) mineralisation is largely coupled with redox processes. Iron oxides are one of the main minerals in paddy soils, ...
Earth Sciences
Oct 16, 2020
0
3
Most scientists agree that life on Earth began about 4 billion years ago, but they don't agree where—on land or in water. They know that about 2 billion years ago, single-celled organisms evolved into complex plants and ...
Molecular & Computational biology
Oct 14, 2020
0
108
