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In cases of plague since the late 1800s—including an outbreak in Madagascar in 2017 rats and other rodents helped spread the disease. If Y. pestis infects rats, the bacterium can pass to fleas that drink the rodents' blood. When a plague-stricken rat dies, its parasites abandon the corpse and may goRead more
Laika A rhesus monkey called Albert 1 became the first monkey launched into space on June 11, 1948; also on board a US-launched V2 rocket. These were just suborbital flights, though. The first animal to actually go into orbit was the dog Laika, launched on board the Soviet Sputnik 2 spacecraft on NoRead more
n terms of weight, the average adult human brain weighs in at 1300 to 1400 grams or around 3 pounds. The brain is composed of 73% water. There are about 86 billion neurons and 85 billion glial cells in the human male brain. Glial cells make up about half the total volume of the brain. Glial cells arRead more
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The objects that floats in water are Plastic Oil Wood