In nature, enzymes termed hydrogenases are capable of producing molecular hydrogen (H2). Special types of these biocatalysts, so-called [FeFe]-hydrogenases, are extremely efficient and therefore of interest for biobased hydrogen ...
Biochemistry
Dec 16, 2022
0
134
An Italian farm became an open-air morgue earlier this month after around 50 cows were poisoned by young sorghum plants, an accident experts blame on drought.
Environment
Aug 18, 2022
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7
The chemical precursors of present-day biomolecules could have formed not only in the deep sea at hydrothermal vents, but also in warm ponds on the Earth's surface. The chemical reactions that may have occurred in this "primordial ...
Biochemistry
Jun 23, 2022
0
204
Scientists at NASA's Goddard Space Flight Center in Greenbelt, Maryland, recently received samples of the lunar surface that have been curated in a freezer at NASA's Johnson Space Center in Houston since Apollo 17 astronauts ...
Planetary Sciences
May 3, 2022
0
533
Over half of the world's population now lives in an urban area, according to a recent report by the United Nations. And that number is expected to grow to two-thirds by the middle of this century. Rapid urbanization's effects ...
Plants & Animals
Apr 20, 2022
0
121
Astronomers have found evidence that the first exoplanet that was identified transiting its star could have migrated to a close orbit with its star from its original birthplace further away.
Astronomy
Apr 7, 2021
2
340
Orbiting a red dwarf star 41 light-years away is an Earth-sized, rocky exoplanet called GJ 1132 b. In some ways, GJ 1132 b has intriguing parallels to Earth, but in other ways it is very different. One of the differences ...
Astronomy
Mar 11, 2021
0
4564
A famous experiment in 1953 showed that amino acids, the building blocks of proteins, could have formed spontaneously under the atmospheric conditions of early Earth. However, just because molecules could form doesn't mean ...
Biochemistry
Aug 7, 2019
1
903
Are we alone in the universe? This question has been with us for thousands of years, but it is only now that science is on the cusp of providing a real answer. We now know of dozens of rocky planets orbiting stars other than ...
Astronomy
Aug 2, 2018
0
17
Scientists have identified a group of planets outside our solar system where the same chemical conditions that may have led to life on Earth exist.
Astronomy
Aug 1, 2018
85
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