A common belief among astronomers is that galaxy groups and clusters differ mainly in the number of galaxies they contain—there are fewer galaxies in groups and more in clusters. Led by Maret Einasto, astronomers at Tartu ...
Astronomy
Feb 27, 2024
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All humanity benefits from Antarctica and the Southern Ocean that surrounds it. To some, these benefits may seem priceless. But in our market-driven world, calculating the economic value of the environment can be a useful ...
Earth Sciences
Feb 27, 2024
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11
To quote NASA associate administrator Jim Reuter, sending crewed missions to Mars by 2040 is an "audacious goal." The challenges include the distance involved, which can take up to six months to traverse using conventional ...
Space Exploration
Feb 27, 2024
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48
Just after dawn, volunteers for a Toronto-based NGO called the Fatal Light Awareness Program (FLAP) Canada make their way along the streets of the city's downtown core. FLAP's mission is to limit the number of migratory birds ...
Environment
Feb 27, 2024
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12
A tiny foe threatens Australian beekeepers' livelihood, our food supply and the national economy. First detected in New South Wales in 2022, the Varroa mite is now established in Australia.
Ecology
Feb 27, 2024
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1
Just over five years ago, on 22 February 2019, an unmanned space probe was placed in orbit around the moon. Named Beresheet and built by SpaceIL and Israel Aerospace Industries, it was intended to be the first private spacecraft ...
Space Exploration
Feb 27, 2024
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20
Hafnium oxide thin films are a fascinating class of materials with robust ferroelectric properties in the nanometer range. While the ferroelectric behavior is extensively studied, results on piezoelectric effects have so ...
Nanophysics
Feb 27, 2024
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10
People living in ancient Eastern Arabia appear to have developed resistance to malaria following the appearance of agriculture in the region around five thousand years ago, a new study reveals.
Archaeology
Feb 27, 2024
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98
Otter populations crashed in Britain around the 1960s from the lethal effects of chemical pollution in rivers and lakes—or so we thought. Our research has looked more closely at what happened to otters in Britain over the ...
Plants & Animals
Feb 27, 2024
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1
An international research team, along with Senckenberg scientist Dr. Ralf Britz, has studied Danionella cerebrum, a small species of fish with a length of no more than 12 millimeters. Despite its diminutive size, the fish ...
Plants & Animals
Feb 27, 2024
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