It appeared in 1973, mostly nowhere: a hole in the sea ice off the coast of Antarctica. But this was no ordinary hole. It was big enough to swallow California. Remained in mysterious opening position for the following three winters. It then appeared to have largely disappeared before re-filling in …
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One of the many problems we have with the spread of COVID-19 is the ability of the coronavirus to survive on the surface for hours at a time. When we can effectively clean hard materials or sterilize them with alcohol, what about more delicate surfaces like cardboard? Even in the …
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The International Space Station has been leaking unusual amounts of air since September 2019. Initially, crew members prevented the issue from being resolved, as the leak was not a major one. But in August Gust, the leak rate rose, prompting astronauts and cosmonauts sitting in orbital labs to try to …
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It doesn’t take long for orburn coronavirus particles to get into the room. Initially, only those sitting next to an infected speaker are at greater risk, but as the meeting or class progresses, smaller aerosols spread. However, this does not mean that everyone faces the same level of risk. As …
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Andean condors are the heaviest flying bird in the world, with a single individual weighing up to about 16 kilos (or 35 pounds). According to new research, when it comes to keeping these heavy bodies up high, the sky is the limit, it seems. Taking off from the ground is …
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