The sky isn't just blue—airglow makes it green, yellow and red too
Look up on a clear sunny day and you will see a blue sky. But is this the true color of the sky? Or is it the only color of the sky?
Look up on a clear sunny day and you will see a blue sky. But is this the true color of the sky? Or is it the only color of the sky?
Astronomy
Dec 30, 2022
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85
Glassfrogs make themselves transparent while they rest by taking red blood cells from circulation and concealing them in their livers. A multi-disciplinary team of biologists and biomedical engineers has shown how these frogs ...
Plants & Animals
Dec 22, 2022
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965
An international scientific team led by researchers at the Instituto de Astrofísica de Canarias (IAC) has discovered the presence of two planets with Earth-like masses in orbit around the star GJ 1002, a red dwarf not far ...
Astronomy
Dec 15, 2022
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967
When plants are healthy, they emit red light that is nearly impossible to see with the naked eye, but with a new instrument developed at York University, it's now possible to measure that light whether in a lab or out in ...
Biotechnology
Dec 9, 2022
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540
Using radial velocity measurements, astronomers from Japan and China have detected a new exoplanet orbiting a G-type giant star. The newfound alien world is similar in mass to Jupiter but much hotter than the solar system's ...
An interdisciplinary team from Hokkaido University's Engineering and Agriculture departments and the Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) has developed a europium-based thin-film coating that ...
Biotechnology
Oct 26, 2022
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104
Chlorophyll, the green molecule that makes photosynthesis possible, may provide underappreciated dietary benefits, offering up yet one more reason to eat those leafy green vegetables.
Biochemistry
Oct 13, 2022
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29
Astronomers from Liverpool John Moores University and the University of Montpellier have devised an 'early warning' system to sound the alert when a massive star is about to end its life in a supernova explosion. The work ...
Astronomy
Oct 13, 2022
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1769
Photosynthesis is probably the most important chemical reaction for life on Earth. It is the process plants use to transform sunlight into energy it can use. Through it, plants can produce carbohydrates they can use (and ...
Astrobiology
Sep 26, 2022
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5
This new image taken of the skies above Chile's Atacama Desert near the European Southern Observatory's (ESO) La Silla Observatory, shows bright red streaks in the sky known as red sprites. Red sprites are large-scale electrical ...
Planetary Sciences
Aug 24, 2022
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31