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todayilearned
Jun 08, 2020
TIL Three-quarters of U.S. teens and adults are deficient in vitamin D, the so-called "sunshine vitamin" whose deficits are increasingly blamed for everything from cancer and heart disease to diabetes, according to new research.
cancer
diabetes
heart disease
sun
sunshine
vitamin d
todayilearned
Mar 26, 2020
TIL Columbus was marooned on the shores of Jamaica in 1503. The indigenous people gave his crew food but were tired of them stealing. After several months of this, they refused to help. Then Columbus used an upcoming blood moon to convince them God was mad at them. They started giving food again.
astronomers
astronomy
celestial
comet
eclipse
foreboding
moon
myth
omens
planets
predictions
sky
space
stars
sun
todayilearned
Mar 18, 2020
TIL Christopher Columbus used a book of astronomical tables when the next lunar eclipse would take place and use it to warn the indigenous people in Jamaica to treat his crew better or else the moon would rise red. Lunar eclipse happened, and they pleaded Columbus to restore the moon.
astronomers
astronomy
celestial
comet
eclipse
foreboding
moon
myth
omens
planets
predictions
sky
space
stars
sun
todayilearned
Feb 04, 2020
TIL that in 1972 during the Vietnam War, dozens of sea mines randomly exploded off the coast of Hon La, Vietnam for no apparent reason. In 2018, it was discovered that a huge Solar Storm at the time had been the culprit, triggering magnetic sensors on the sea mines which led to sudden explosions.
outer space
sun
vietnam war
weapons
weather
todayilearned
Aug 28, 2019
TILA that the sun burns white and it's only because of Earth's atmosphere that we see it as yellow.
gases
science and technology
solar system
space
star
stars
sun
todayilearned
Jun 04, 2019
TIL the Burj Khalifa in Dubai is so tall, you can watch two sunsets in one day. One at the ground level, and the second at the top.
architecture
burj khalifa
dubai
gizmodo
sun
wtfactoid
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