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todayilearned

Jul 01, 2020

TIL that in the 80s, deaf Nicaraguan children with no prior sign language (or any true language) exposure were brought together to a deaf school, & started spontaneously making their own sign language, developing complexity & syntax. This gave linguists rare insight into the birth of human language.

evolution language nicaragua sign

todayilearned

Jun 05, 2020

TIL Scientists discovered sharks that are living in an active underwater volcano. Divers cannot investigate because they would get burns from the acidity and heat.

engineering evolution geology robots sharks solomon islands south pacific ocean submarine volcanoes volcanoes volcanology

todayilearned

May 20, 2020

TIL Charles Darwin lost his faith in God after witnessing parasitic wasp larvae devour a caterpillar from the inside out.

body evolution parasites the parasite files

todayilearned

Feb 19, 2020

TIL the only two surviving species of sloth aren’t closely related at all and most likely developed suspensorial behavior (hanging from trees) independently, an example of convergent evolution.

evolution laelaps science and technology science blogs sloth three-toed sloths

todayilearned

Dec 27, 2019

TIL that some 430,000 years ago, high in the Atapuerca Mountains of northern Spain, a lethal assault was committed. The victim, a young adult Neanderthal, received two blows to the head, just above the left eye.

anthropology europe evolution neanderthals science spain uk news world news

todayilearned

Nov 18, 2019

TIL that baby sand tiger sharks devour their siblings in the womb. The largest, usually the earliest, embryo devours the others, until only two dominant embryos are left. Female sand tiger sharks’ mate with multiple males and the babies will then compete in the womb to be born.

evolution fish oceans

todayilearned

Nov 17, 2019

TIL Gaze following is instinctual for many animals—including humans, chimps, dogs, goats, dolphins, and even the red-footed tortoise. Dogs glance back and forth between human and where the human is looking. The behavior, only seen before in humans and chimps, is called check backs or double looking.

animals dogs domestic dog evolution intelligence pets science science and technology

todayilearned

Oct 30, 2019

TIL that mudskippers use gill-chambers full of water as fishy scuba gear when they’re on land.

adaptation animal animals blood discover documentary eat evolution explore fish fish out of water kill land mudskipper nat geo natgeo national geographic nature predation predator science strange survival walk weird wildlife

todayilearned

Oct 14, 2019

TIL that researchers found fossils of a "Mega Penguin" that stood over 6ft tall and weighed in at over 250lbs.

animals antarctica biology birds environment evolution fossils science wildlife world news zoology

todayilearned

Sep 29, 2019

TIL - A symbiotic fungus can turn regular pine trees into carnivorous plants that consume up to 90% of soil-dwelling insects the fungus-infected roots can reach for their nitrogen, which the trees use for growth

ecology evolution fungi insects mycorrhizae plants springtails

todayilearned

Sep 21, 2019

TIL Collapse of Aztec society was linked to an outbreak of salmonella after the Spanish conquest

archaeology evolution genomics microbiology

todayilearned

Sep 19, 2019

TIL that great apes, including chimpanzees and orangutans, have absolutely no appreciation of music whatsoever. Research has shown they can’t tell the difference between Beethoven and Bieber, and that music is all just meaningless sound to them.

adele animals chimpanzees classical music evolution justin bieber living music research zoos

todayilearned

Sep 18, 2019

TIL Scallops have anywhere from 50-200 eyes.

evolution evolve eyes light mirror retina scallop telescope vision

todayilearned

Sep 13, 2019

TIL A penguin species that lived around 37m years ago was nearly 7 foot tall

animals antarctica biology birds environment evolution fossils science wildlife world news zoology

todayilearned

Aug 26, 2019

TIL that snakes have forked tongues to be able to smell in three dimensions. By picking up odours from slightly different locations they are able to tell the direction and source of the smell.

evolution science facts sensory perception snakes

todayilearned

Jul 26, 2019

TIL Scurvy used to be the scourge of the navy, killing sailors on long voyages. Now it's a blight to evolutionary biologists. They just don't know why it exists in humans. It's only in the primates - gorillas, chimps, humans, and a few monkeys - that the body stops producing this necessary vitamin.

biology evolution hydrogen peroxide io9 medicine natural selection science scurvy vitamin c

todayilearned

Jul 15, 2019

TIL That women are better at discerning shades of colours, while men are better at tracking fast-moving objects and discerning detail from a distance. These are evolutionary details linked to a hunter-gatherer past.

differently evolution health hunting men science see sex vision women

todayilearned

Jun 11, 2019

TIL that other than humans, chimpanzees and rats are the only animals that can laugh.

animals chimpanzee chimpanzees culture evolution humor laughing laughter rats science

todayilearned

May 30, 2019

TIL that scientists in Tel Aviv have found that soon after a bee flies past an Evening Primrose, the flower increases the sugar content of its nectar by 30%. Playing bee sounds has a similar effect, but there is no effect on the flower when other vibrations are emitted.

acoustics bees evening primrose evolution flowers gardens nature photography photography sound time-lapse photography

todayilearned

Apr 19, 2019

TIL, that while they may look silly and harmless, platypuses can be dangerous — at least certain ones. The males come equipped with sharp stingers on the heels of their rear feet that can add some extra pain to a kick.

animals australia australia and oceania dna evolution genetics mammals platypus reptiles video

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