#scienc

[mindblowingscience]

Watching someone cry often evokes an emotional response—but according to a new study published Thursday, human tears themselves contain a chemical signal that reduces brain activity linked to aggression. The research was carried out by the Weizmann Institute of Science, Israel, and appeared in PLOS Biology, a US science journal. Though it involved female tears, because women made themselves available as donors, it probably isn't a sex-dependent effect, the authors say.

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[thatsbelievable]

[tff-praefectus]

Fossil crocodile skull

[53v3nfrn5]

Tree roots following the pattern of concrete footpaths

[prokopetz]

I've seen posts going around claiming that petting animals is basically tricking them into thinking they're being groomed, and it's bugging me because, like, there's no trickery afoot. Petting and scritching are grooming activities. They help to dislodge loose fur and foreign objects and more evenly distribute protective oils, among other things. Primates are social groomers, and the human impulse to scritch is the legacy of our primate ancestors. We see an animal we like, even a dangerous one, and the monkey brain says "groom that thing".

[catchymemes]

Ohio Total Solar Eclipse

[unbfacts]

[nando161mando]

[toadbreath]

forgor his pants. how embarrassing

[myjetpack]

my latest cartoon for New Scientist.

[mysharona1987]

[furryfeet]

[mitchipedia]

[nasa]

Do You Love the Color of the Sun?

Get dazzled by the true spectrum of solar beauty. From fiery reds to cool blues, explore the vibrant hues of the Sun in a mesmerizing color order. The images used to make this gradient come from our Solar Dynamics Observatory. Taken in a variety of wavelengths, they give scientists a wealth of data about the Sun. Don't miss the total solar eclipse crossing North America on April 8, 2024. (It's the last one for 20 years!) Set a reminder to watch with us.

[53v3nfrn5]

Solar Eclipse Shadows

These solar eclipse shadows form due to the distance between the sun and the leaves on the trees. The distance and the proximity of the leaves to one another cause for a "lensing" type effect, making the eclipse shadow clearer to the human eye.