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TIL a general rule for plants is that lighter-coloured leaves require more light and darker-coloured leaves require less light. This is due to the amount of chlorophyll a and b found in the leaves.

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epyD4 TIL Redwood trees have no taproots. Their roots grow only 10 to 13 feet vertically, and then spread horizontally for 60 to 80 feet, intertwining with the roots of other redwoods in a grove for stability.
Egao TIL there are two Jews left in Afghanistan, they both hate one another and therefore each have their own private synagogue.
9Jj7 TIL Russia and USA are only 3.8km apart at the nearest point
9YVQG TIL that the distinctive nose of the Shinkansen 500 bullet train prevents sonic booms whenever it exits a tunnel and was discovered when scientists studied the shape of a kingfisher's beak to learn how it hit the water at high speed
Drog TIL That in Alaska more than 80% of adults are registered as organ donors, while in New York only 12% of adults are organ donors