› added 4 years ago

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TIL that some fish can survive out of water for several days, and even months

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via reddit.com

mmJv TIL: There’s a lizard whose mating behavior follows a Rock-Paper-Scissors evolutionary strategy. Males have 1 of 3 throat colors where orange beats blue, blue beats yellow, and yellow beats orange. For 4-5 years, one strategy dominates, after which the strategy that exploits its weakness takes over.
xV68w TIL that thermostats sense the temperature with a strip of two different metals fastened together. Because the metals expand at different rates, it causes the strip to curve, breaking or completing the circuit at different temperatures.
7rJkr TIL that in the 1940s, the Idaho Department of Interior would capture beavers and parachute them into dry areas to even out the population density and to better distribute moisture via dam building.
R58Pa TIL of Jennifer Keelan, an 8 year old girl with cerebral palsy who crawled up the steps of the Capitol building to tell Congress to pass the Americans with Disabilities Act that had been stalled in committee. It was signed into law 4 months later.
oxBR TIL that in 1917 Alexander Graham Bell predicted that “the unchecked burning of fossil fuels would have a sort of greenhouse effect” on the planet, and argued for the use of alternative energy sources such as solar energy.