The mammoths who lived around 4000 years ago, when the Pyramids were constructed, were small and isolated population in Northern Siberia. They were the last species of that kind to be alive.
Ancient Egypt period spanned thousands of years ago. The last ruler of the country before Egypt was absorbed into the Roman Empire about 2 000 years ago was Cleopatra. The pyramids were built about 2 500 years before that.
Flickr / SubtlePanda
Four countries have anthems which have no official lyrics and Spain is one of them. The rest are Bosnia and Herzegovina, Kosovo, and San Marino.
Honey can ferment as it is absorbing moisture from the air, which gives us mead. If properly sealed, though, honey can keep for thousands of years. It's been used as a preservative for this reason and even on human bodies.
Flickr / Justin March
Often called "cosmic background radiation", this is the remaining echo of the Big Bang, which happened about 14 billion years ago.
YouTube / Animal Wire
The wombat's waste comes out in that weird square shape. May be it is useful for marking territory, as it doesn't roll away.
Flickr / Quinn Dombrowski
Goosebumps happen when muscles under the skin contract. When rigor mortis sets in (between 12 and 48 hours after death), all the muscles in a body stiffen, which can result in goosebumps. Brrr!
Their official team sport is lacrosse. Jousting tournaments have been held in Mryland’s state since the colonial period, and the Maryland State Jousting Championship has been held annually since 1950.
Flickr / Sam Saunders
When we breathe through the nose, one nostril takes in more air than the other. They also switch sides about every 15 minutes. How cool is that!
There are approximately 52 000 tons of gold underground, and even more in the core of the Earth. We're likely not getting to the latter any time soon.
Called the Shannon Number, it's estimated that there are about 10 to the 123rd power chess combinations, compared to 4 X 10 to the 81st power estimated atoms. These chess pieces are from the 11th century!
The cultures that developed the writing include the Sumerians, Egyptians, Maya, Chinese, Polynesians, and various European cultures. Each culture came up with own system for words, ideas, and sounds, all depicted visually. The earliest independent examples of writing come from the Indus Valley, Mesopotamia, and Egypt.
The dating of the giraffes includes pee. The male giraffe will repeatedly headbutt a female in the bladder until she pees. He then tastes the urine to see if she's ovulating.
And… it takes only 8 minutes for it to get from the sun's surface to the Earth.
The flightless bird comes from New Zealand and is critically endangered due to the introduction of predators by Polynesians and Europeans. The bird’s pleasantly musty odor attracts these predators, and has resulted in their only being around 126 left in the world. Conservation efforts are currently underway.