Igloos can retain a temperature of 60° F during -50° weather. Fire inside melts the inner layer of ice, and the cold outside refreezes it, adding a layer of insulation.
In WWII, the US Army asked Americans to loan their dogs to the war effort. The dogs’ handlers even sent letters home to their owners for Christmas and to inform them of their dog’s performance throughout the war.
If you took all the mined gold in the world and made it into a cube, it would only measure 20.5m on a side.
Johnny Weissmuller, famous for his role as Tarzan, was playing golf in Cuba during the Revolution when he was surrounded by a group of rebels. He immediately gave his trademark Tarzan yell. The soldiers recognized it and were so delighted to meet… Tarzan that they escorted him to a safe area.
Contrary to popular thinking, wolves are not dominated by an “Alpha Wolf” that is the most aggressive male, or male-female pairing, of the pack. Rather, they have found that wolf packs are similar to human families, and there is little aggression or fights for “dominance.”
Oskar Schindler became virtually destitute after the war and became bankrupt after trying to raise chickens in Argentina. For the rest of his life, he survived off gifts and donations from the Jews he had saved during the war.
Researchers trained flatworms, then decapitated them. After their heads grew back, researchers found they had retained their training.
One out of every 4 million lobsters is born with a rare genetic defect that turns the lobster blue.
The Tărtăria tablets are three tablets, discovered in 1961 by archaeologist Nicolae Vlassa at a Neolithic site in the village of Tărtăria (about 30 km (19 mi) from Alba Iulia), in Romania. The tablets, dated to around 5300 BC, bear incised symbols known as Vinča symbols.
These tablets, together with the symbols have been the subject of considerable controversy among archaeologists. It happened so because it is (still) hard to prove that these symbols represent, in fact, a type of language. Yet, these remains the oldest symbols known that could be associated with a type of writing.
Mothers think the youngest child is shorter than they really are despite correctly estimating the height of their other children.
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
Cuban rescue workers use sniffer rabbits to find people in collapsed buildings.
There are more deer in the UK now than at any time since the last Ice Age.
Monkeys avoid selfish people.
Wines with animals on the label are known as “critter wines” in the US.