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todayilearned

Jul 04, 2020

TIL a Venus flytrap can count the number of times its victims touch the hairs on its leaves. One touch does nothing, two closes the trap, three primes the trap for digestion, five triggers the production of digestive enzyme. So, victims tell the plant to start killing it and how vigorously to do so.

bumbling fly charles darwin comenius university dead fly digestive efforts digestive enzymes digestive enzymes.after electrical impulse electrical impulses fifth electrical impulse.the plant first impulse fly flytrap traps.we start gland cells green stomach hedrich’s latest study inner surfaces of the traps large fly struggles life long time mystery next morning nutrient-poor swamps open halves of the flytrap outside world own tissues.after plant plants primes production of digestive enzymes rainer hedrich second signal.the sensory hairs set of transporter enzymes single impulse so.the fly so.the venus flytrap spike of calcium ions struggles of its prey such false alarms touch trap trap opens trap snaps shut.the fly traps trap’s calcium levels trigger hairs unpublished work venus flytrap water

todayilearned

Jul 02, 2020

TIL New York City’s tap water is full of copepods (tiny crustaceans). Because of this, the water is technically not kosher.

crustaceans eek! filters kosher nyc science tap water water water quality water wha?!

todayilearned

Jun 26, 2020

TIL China is looking to dam the international rivers flowing out of Tibet, allowing them to be in a position to dictate terms to the downstream nations.

2050 asia bangladesh brahmaputra cambodia china chinese dam dams downstream facility flow future ganges hydro hydropower india indus industrialization irrawaddy laos mekong myanmar pakistan population riperian rivers salween source supply thailand tibet tibetan urbanization water yangtze yellow

todayilearned

May 31, 2020

TIL that due to the structure of Planet Earth, there are actually subterranean mountains some 410 miles down below the surface, with some being taller than Mount Everest.

biodiversity chemistry earth earth sciences earthquakes ecology geology himalaya minerals water

todayilearned

Mar 04, 2020

TIL that the collapse of the Soviet Union directly correlated with the resurgence of Cuba’s amazing coral reef. Without Russian supplied synthetic fertilizers and ag practices, Cubans were forced to depend on organic farming. This led to less chemical runoff in the oceans.

climate change coral reefs cuba field notes magazine news in brief water

todayilearned

Feb 25, 2020

TIL that American and Russian astronauts onboard the International Space Station (ISS) have different water supplies. Its because the Americans drink recycled urine while the Russians refuse to do so. The NASA astronauts even collect the Russians urine to increase their own supply...

international space station nasa science space water

todayilearned

Feb 13, 2020

TIL that in China, 300 Million people suffer from bacterial diarrhea every year from drinking contaminated water. 40% of the rivers do not meet safety standards and 20% are so polluted that they aren't safe to be touched.

chapter s chemical plants china china geography china infrastructure chinese crisis development environment expensive infrastructure fresh water geography infrastructure pollution rivers severe south to north water diversion project streams water water problem water scarcity water shortage water supply yangtze river

todayilearned

Dec 08, 2019

TIL Great White Sharks Are Completely Terrified of Orcas. A new study shows the apex predators will flee their hunting grounds and won’t return for up to a year when killer whales pass by.

animals new research oceans pacific ocean seals sharks water whales

todayilearned

Dec 07, 2019

TIL that Orcas are the supreme predators in the ocean and Great White Sharks are terrified of them

animals new research oceans pacific ocean seals sharks water whales

todayilearned

Aug 30, 2019

TIL that Arizona ice tea has not changed it’s 99¢ retail price since 1992.

beverages big questions business water

todayilearned

Aug 12, 2019

TIL that rock band Iron Maiden went to a restaurant after a 1984 concert in Poland. The Maidens saw a wedding inside; after a chat, they took the wedding band's instruments and began playing for the night. Guests had no idea until the groom saw that his wedding band transformed into Iron Maiden.

1984 deep dickinson harris iron maiden mcbrain metal murray on polish purple smith smoke the water wedding

todayilearned

Jul 29, 2019

TIL that babies shouldn't be given water when they're under 6 months old, because they need all their stomach space for milk/formula and its sweet, sweet nutrients.

dehydration water water and babies water intoxication

todayilearned

Apr 05, 2019

TIL that within 10 minutes of Allies landing on Omaha beach D-Day 1944,every Officer of the first wave Alpha Company had been killed. 30 minutes later the entire first wave Alpha company had a 96% casualty rate

able company baker company baker company boat beach boat boat no. boat team man men water

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