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2023

Новости за 10.03.2023

Migratory birds take breaks to boost their immune system

Sciencedaily.com 

Exercising too much and not getting enough rest is likely bad for your health. A new study shows that the same is true for migratory birds. They need to rest not only to renew their energy levels but also in order to boost their immune system.

Hotter than infinity: Light pulses can behave like an exotic gas

Sciencedaily.com 

In our modern society huge amounts of data are transmitted every day, mainly as short optical pulses propagating through glass fibers. With the steadily increasing density of such optical signals, their interaction grows, which can lead to data loss. Physicists are now investigating how to control large numbers of optical pulses as precisely as possible to reduce the effect of such interactions. To this end they have monitored an ensemble of optical pulses as they propagated through an optical fiber... Читать дальше...



Northern and southern resident orcas hunt differently, which may help explain the decline of southern orcas

Sciencedaily.com 

In the Pacific Northwest and British Columbia, southern resident orcas have experienced no net population growth since the 1970s, with just 73 left at the most recent count. But northern resident orcas, which have a similar diet, territory and social structure, have grown steadily, now numbering more than 300. A new study may help explain why: The two populations differ in how they hunt for salmon, their primary and preferred food source, a key difference that conservationists will have to take into... Читать дальше...

William Shatner Knows He Doesn't Have Long To Live

«Just Jared» 

William Shatner is aware of his mortality. The 91-year-old actor’s documentary, You Can Call Me Bill, reflects on his long career. “I’ve turned down a lot of offers to do documentaries before. But I don’t have long to live,” he said. Keep reading to find out more… “Whether I keel over as I’m speaking to [...]





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