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Like humans, these big-brained birds may owe their smarts to long childhoods

Human beings typically don’t leave the nest until well into our teenage years—a relatively rare strategy among animals. But corvids—a group of birds that includes jays, ravens, and crows—also spend a lot of time under their parents’ wings. Now, in a parallel to humans, researchers have found that ongoing tutelage by patient parents may explain how corvids have managed to achieve their smarts.

The Good Place (2016-2020)

Think of others. Think of the vulnerable.

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Man Bitten by Stray Cat Contracts Infection Unknown to Science

The bite of a fluffy cat on the street can be more dangerous than you might think.

In the United Kingdom, a 48-year-old who was bit by a stray feline ended up contracting a species of bacterium that scientists have never seen before. His immune response to the foreign microorganism was a doozy. Just eight hours after receiving multiple bites, the man's hands had swollen to such a great extent that he took himself to the emergency department. His puncture wounds were cleaned and dressed and he was given a tetanus shot before being sent on his way with antibiotics. A day later, he was back at the hospital. His pinky and middle fingers on his left hand were painfully enlarged and both his forearms were red and swollen. Doctors had to surgically remove the damaged tissue around his wounds. He was also given three different antibiotics intravenously and was sent home with oral antibiotics. This time, thankfully, the treatment worked and he made a full recovery. Back at the hospital, however, doctors were busy trying to figure out what had happened. When they analyzed the microorganisms present in samples from his wounds, they found an unrecognizable Streptococcus-like organism.

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Reminder that the "fittest" in "survival of the fittest" does not mean "strongest/most violent".

It refers to an animal that is best fitted to thriving in a given ecological niche. A fit animal is one that is successful at the tasks of finding food food and water, avoiding predators, and reproducing, by whatever means work best for their situation.

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Study discovers that mitochondria transmit signals in the immune and nervous systems

The new study has revealed that mitochondria play a crucial role in the regulation of the NF-κB signaling pathway.

Mitochondria are primarily known as the powerhouse of the cell. However, these cellular organelles are required not only for providing energy: Professor Konstanze Winklhofer and her group at the Faculty of Medicine at Ruhr University Bochum, Germany, recently discovered that mitochondria play an important role in signal transduction in innate immune pathways.

They regulate a signaling pathway that helps to eliminate pathogens, but can cause damage through inflammation upon overactivation. The research team published their findings in the EMBO Journal.

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Virophages are such a wild concept. It’s a teeny virus that infects a bigger virus. What a genuine flex of natural selection.