How hot is too hot for microbial life?
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How hot is too hot for life to survive? Ever since microbes were discovered squirming around in hydrothermal springs several decades ago, the limit of heat-loving (thermophilic) organisms has been a moving target. The current record-holder is “strain 121,” an archaeon isolated from the Mothra hydrot...
blogs.discovermagazine.com
When they first meet, wild dolphins tell each other their names.
It’s been known for some time that captive dolphins can invent new vocalizations. Although such whistles may be harder for us to pronounce than names like “Flipper” or “Willy”, they nonetheless serve many of the same purposes among porpoises. That’s because dolphins make up new whistles that other d...
blogs.discovermagazine.com
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Colliding molecules in Mars’ atmosphere may hold the key to an ancient climate mystery.
Climate change on Earth is a well-established phenomenon, but scientists have long struggled to explain an even more dramatic change of conditions, long ago in a far-off land. Mars is a dry, frigid planet today, with an average ground temperature of about -60 °C. Liquid water seems to be possible on...
blogs.discovermagazine.com
Know the difference between a penguin and a rock? You could help these researchers.
By: Lishka Arata Many things distinguish penguins from rocks. There’s color difference (usually), behavior (penguins waddle, rocks don’t), social structure (rocks don’t have one) — the list goes on. But why might someone need to distinguish between rocks and penguins? It’s a skill central to a long-...
blogs.discovermagazine.com
Or, flipped around, dogs aren't any better than cats when it comes to memory.
Cats and dogs don’t have many things in common, but according to this study, their ability to remember events might be one of them. Here, the researchers tested whether cats could remember information from a single past event. To do so, the scientists first let the cats explore several containers, s...
blogs.discovermagazine.com
A prominent critic of predatory scientific publishers has shuttered his blog for unknown reasons.
Last week, we learned that Scholarly Open Access, Jeffrey Beall’s website and blog, had gone down. Beall, an academic librarian at the University of Denver, has earned fame, and notoriety, for his list of what he calls ‘predatory’ open access publishers and journals. It’s still not clear what led to...
blogs.discovermagazine.com
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