By some estimates, the amount of solar energy reaching the surface of the earth in one year is greater than the sum of all the energy we could ever produce using non-renewable resources. The technology necessary to convert ...
Materials Science
Dec 17, 2020
12
4256
(PhysOrg.com) -- A new study published in the Proceedings of the National Academy of Sciences provides evidence of human evolution and rapid genetic changes suggesting that, contrary to modern claims, technological and cultural ...
Scientists at Newcastle University have uncovered a source of oxygen that may have influenced the evolution of life before the advent of photosynthesis.
Earth Sciences
Aug 8, 2022
7
118
Giant mountain ranges at least as high as the Himalayas and stretching up to 8,000 kilometers across entire supercontinents played a crucial role in the evolution of early life on Earth, according to a new study by researchers ...
Earth Sciences
Feb 3, 2022
20
866
Around 2.5 billion years ago, our planet experienced what was possibly the greatest change in its history: According to the geological record, molecular oxygen suddenly went from nonexistent to becoming freely available everywhere. ...
Evolution
Mar 1, 2021
0
2187
Efficiently mass-producing hydrogen from water is closer to becoming a reality thanks to Oregon State University College of Engineering researchers and collaborators at Cornell University and the Argonne National Laboratory.
Materials Science
Jan 9, 2021
22
952
A new study published in Science resolves a long-standing scientific debate, and it stands to completely change the way we think about Earth's climate evolution.
Earth Sciences
Feb 13, 2024
3
506
Researchers at the University of Tsukuba have made a groundbreaking discovery regarding the origins of non-meteoric water in natural spa waters located in central Japan. Based on numerical modeling, their results suggest ...
Earth Sciences
Dec 27, 2023
1
88
Oxygen first accumulated in the Earth's atmosphere about 2.4 billion years ago, during the Great Oxidation Event. A long-standing puzzle has been that geologic clues suggest early bacteria were photosynthesizing and pumping ...
Earth Sciences
Jun 9, 2020
3
524
In the photoelectric effect, a photon ejects an electron from a material. Researchers at ETH have now used attosecond laser pulses to measure the time evolution of this effect in molecules. From their results they can deduce ...
Optics & Photonics
Jun 22, 2018
1
917
