› added 5 years ago

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TIL bacteriophages, viruses that infect bacteria, can communicate with each other and coordinate attacks. They produce a chemical called Arbitrium which signals to other phages that a host has been infected.

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jNjpQ TIL that the Milky Way has two expanding bubbles attached to its core that are entirely powered by gamma rays. These objects, literally “burped out” by the galaxy and known as "Fermi bubbles," are some of the weirdest objects in the universe
B0Ge TIL a European engineer has created a liquid-filled, sun-tracking, energy-harvesting glass sphere is so powerful that it can not only collect solar rays as well as reflected lunar light. It can magnify this light by a factor of 10,000, turning illumination into heat energy.
69LYm TIL about Sigfox, a global network operator founded in 2010 that built wireless networks to connect low-power devices over large areas and to reach underground objects. As of November 2020, the network covered a total of 5.8 million square kilometers in 72 countries
DQNRg TIL Caecilians have evolved resistance to elapid snake venom independently at least 15 times, with some species being entirely immune. The only caecilians that do not have resistance to the neurotoxins are species in Seychelles, which has no elapid snakes on these islands.
QJ176 TIL of Jared Ream, card-carrying member of American Coaster Enthusiasts. At 430 lbs, he got rejected from Cedar Point's "Millenium Force", unable to buckle the restraint. The desire to ride Kings Island's new giga-coaster "Orion" motivated him to lose 190 lbs, so he was able to ride coasters again.