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151

TIL A feather will maximize crop production in a garden

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1kEX TIL Pope Paul VI spent the night of July 20,21 1969 watching the moon through a telescope of the Vatican Observatory during the first moon landing. Afterward, he praised the achievement by writing at length about the event
awBpM TIL about a well-preserved, 60,000 year-old "Underwater Forest" off the coast of Alabama that was exposed following Hurricane Ivan.
ZlgD TIL the steel used in the US to make structural beams, plates and reinforcing bars is nearly 100% recycled. Employing 1 metric ton (1000kgs) of recycled steel saves the need for the extraction and use of 1.1 metric tons of iron ore, 630 kilograms of coal, and 55 kilograms of limestone.
jobE TIL: Locusts emerge from their burrows only after prime number of years to make it difficult for predators to evolve - a rare example of prime numbers in nature.
75px TIL there is a way to make transparent wood, which is biodegradable and has many advantages over glass and plastic when used in architecture and furniture.