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Sharks can live for five centuries.
Greenland Sharks are known to be some of the oldest living animals in our world. Researchers did carbon dating on a Greenland Shark that was caught in 2014 and found it to be around 392 years old. Further testing revealed that our fishy friends could be up to 500 years old. Yes, that would mean that our geriatric friends would have been alive when Leonardo Da Vinci painted the "Mona Lisa."

Chinese police use geese squads.
You've heard of police dogs, but police geese? As of 2013, 12 police stations in a rural area of China have begun to use geese as sentries. They are alert animals and, as you probably know, can create a lot of noise and commotion, which creative Chinese law enforcement officers are taking advantage of. While this trend has yet to spread throughout China, Dongwan police claim that the geese have already stopped at least one theft.

The first iPhone wasn't made by Apple.
The first mobile device to be called an "iPhone" was made by Cisco, not Apple. It allowed the user to use the voice functions of Skype without a computer. Apple announced its own product just 22 days later, and Cisco sued for trademark infringement. The lawsuit was ultimately settled out of court and both companies were allowed to keep using the name. However, you've probably never heard of the Cisco iPhone.

Abraham Lincoln's bodyguard left his post at Ford's Theatre to go for a drink.
You already know that Abraham Lincoln was shot and killed by John Wilkes Booth while watching a performance at Ford's Theatre in Washington, D.C., on April 14, 1865. But what you might not have been aware of is that the president had a bodyguard named John Frederick Parker with him on that fateful night, according to Smithsonian Magazine.

Unfortunately, Parker was a police officer with a less-than-stellar reputation. After arriving three hours late for his shift, the officer left his post protecting the president to get a drink at the Star Saloon next door to the theatre. It was during this time that Booth entered the box seats where Lincoln was sitting and shot the president.

Dolphins have been trained to be used in wars.
Dolphins are known widely as adorable, intelligent animals. What is not as widely known is that these crafty creatures were used by the U.S. and Soviet Union during the Vietnam War and the Cold War. Both countries studied the creatures for their sonar capabilities, but also trained them to detect mines, bring equipment to divers, find lost equipment, and guard submarines amongst other nifty tricks.

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Marie Curie is the only person to earn a Nobel prize in two different sciences.
The pioneering researcher won the Nobel Prize in Physics in 1903 (shared with her husband) for her study of spontaneous radiation, and then won the Nobel Prize in Chemistry in 1911 for her work in radioactivity. That makes her one of just six recipients to receive multiple Nobel prizes, and the only person to receive it in two different sciences. (Chemical engineer Linus Paulding earned a Nobel Chemistry Prize and Nobel Peace Prize, but all other multiple winners received theirs in the same category).

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There are only two countries with names that begin with "The."
You might find yourself saying "the" before various countries and place names when referring to them, thanks to grammar and common pronunciation, which is why we say the United States or the Maldives. However, only The Gambia and The Bahamas formally include "the" in their names.

All the ants on Earth weigh about as much as all the humans.
The total population of people who are alive on Earth hasn't even hit 8 billion. At the same time, there are 10 quadrillion (10,000,000,000,000,000) individual ants crawling around at any given time. According to wildlife presenter Chris Packham, who appeared on the BBC in 2014 to discuss this, when combined, all of those ants would weigh about the same as all of us humans.

The world's largest man-made oyster reef was created in Maryland.
Due to overfishing and disease, the oyster population in Maryland's Chesapeake Bay was seriously suffering. But thanks to dedicated work by scientists at the Horn Point Laboratory, the Army Corps, the National Oceanic and Atmospheric Administration, and the Nature Conservancy, the state is now home to the world's largest man-made oyster reef. Home to more than one billion oysters, the area is a no-fishing zone, which will hopefully give the population a chance to recover.