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Big History Quiz

Do you consider yourself a master historian? Then this is the quiz for you! From the Industrial Revolution to the founding of NATO and the UN, you’ll face challenging and fun questions about countries from all over the world. It’s time to show what you’ve got!

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Fact Lab

Many experts agree that the oldest tree in the world is Methuselah, a bristlecone pine tree that is over 4,700 years old! Methuselah is in California’s White Mountain range. Not too far away in Nevada, another bristlecone pine was cut down in 1964 and age-dated to be 4,900 years old!

The roar of a lion can be heard up to 5 miles away. The incredible sound is caused by a ligament in the giant cat’s voice box. The ligament stretches, enabling more air to pass across the vocal chords. This ligament is found only in big cats, such as lions, tigers, leopards, and jaguars.

It seems that even plants enjoy good tunes. Scientists in South Korea found that playing music, especially classical music, to plants helps them grow faster. Though it’s not entirely clear why the plants grow faster, scientists believe that sound waves may stimulate growth factors.

Fact Lab