Lightning's role in making nitrogen available for life on Earth may have been relatively short-lived, according to a new study led by researchers at the University of St Andrews Centre for Exoplanet Science.
Astrobiology
May 23, 2023
0
237
The haze pollution that frequently occurred in winter in cities of North China has aroused widespread concern. Since the implementation of Air Pollution Prevention and Control Action Plan in 2013, the atmospheric concentration ...
Environment
Nov 14, 2022
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4
Millions of years ago, giant sharks three times larger than today's great whites stalked the world's ocean. They're long gone now, but occasionally, someone walking on a beach spots an odd triangular shape in the sand. On ...
Paleontology & Fossils
Jul 21, 2022
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622
New Princeton research shows that prehistoric megatooth sharks—the biggest sharks that ever lived—were apex predators at the highest level ever measured.
Plants & Animals
Jun 22, 2022
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259
A new molecular method reveals how different species of toothed whales compete for prey and which food they choose in each other's company. Marine scientists from NIOZ recently published their work in the scientific magazine ...
Plants & Animals
Jul 7, 2021
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7
Nitrogen makes up approximately 78% of the air we breathe. But scientists have never fully understood how it came to be present in the atmospheres around Earth and other planets.
Earth Sciences
Apr 21, 2020
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22
Thanks to a newly developed laser spectrometer, Empa researchers can for the first time show which processes in grassland lead to nitrous oxide emissions. The aim is to reduce emissions of this potent greenhouse gas by gaining ...
Earth Sciences
Dec 5, 2019
0
8
Researchers at the University of Bradford have shown a link between the diet of Roman Britons and their mortality rates for the first time, overturning a previously-held belief about the quality of the Roman diet.
Archaeology
Sep 10, 2019
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155
Ammonia (NH3) is one of the most widely produced chemicals, with a global output of 170 megatons per year. It is the key ingredient in the production of fertilizers, and thus plays a critical role in sustaining the world's ...
Materials Science
May 22, 2019
0
15
When the landmass that is now the Indian subcontinent slammed into Asia about 50 million years ago, the collision changed the configuration of the continents, the landscape, global climate and more. Now a team of Princeton ...
Earth Sciences
Apr 26, 2019
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