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TIL that dragonflies live 80% of their life underwater as larvae. (byjus.com)

The Larva: It is interesting to note that even though we’ve seen dragonflies mostly flying around us during hot summer months, they spend most of their life underwater as a larva. They can live underwater for as long as two years, and this is considered to be the longest stage in the life cycle of a dragonfly....

TIL about vitrification of nuclear waste, wherein nuclear waste is melted down and combined with molten glass. The mixture is cooled in stainless steel canisters where it becomes a solid and can be... (www.hanfordvitplant.com)

What is vitrification? Vitrification is accomplished by mixing waste from underground tanks with glass-forming materials in high-temperature melters.

TIL an object's angular momentum is affected very slightly by the spin of its electrons (demonstrations.wolfram.com)

Until now I only learned an electron cannot be spinning in the classical sense, because it would have to be spinning faster than the speed of light (plus ‘spin 1/2’ has no classical sense.) This made me assume quantum ‘angular momentum’ sums to magnetism instead-of and without classical angular momentum.

TIL that some trees develop a disorder where roots grow in aerial areas. (deepgreenpermaculture.com)

Burr knots (burrs or burls) are masses of small root initials, plant cells that are dividing and transforming into root tips, which appears on the above-ground portion of a rootstock, or on the trunk and limbs of apple trees. This is an inherited disorder where root-producing structures develop on aerial parts of certain apple...

TIL Kudzu growth in the US has been way overestimated. Newer estimates stated that Asian privet had invaded some 3.2 million acres—14 times kudzu’s territory (www.smithsonianmag.com)

In news media and scientific accounts and on some government websites, kudzu is typically said to cover seven million to nine million acres across the United States. But scientists reassessing kudzu’s spread have found that it’s nothing like that. In the latest careful sampling, the U.S. Forest Service reports that kudzu...

TIL India still officially recognises 5 sub-national monarchies, known as the 'Kings of Dangs'. They receive payment from the government every year during Holi (en.wikipedia.org)

As per the treaty signed in 1842 the British were allowed to use the forests and their natural products against which they had to pay around 3,000 silver coins to the five kings. Currently the kings receive a monthly political pension by the Government of India, which is the main source of their income. This payment is continued...

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