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Can Genealogy Sites Use Your DNA However They Want?

people.howstuffworks.com/culture-traditions/genealogy/can-genealogy-sites-use-dna-however-want.htm

Critics worry that when you send your DNA to Ancestry.com for personal analysis it can be used for other purposes. HowStuffWorks checks out whether these fears are warranted.

Did the Chinese beat Columbus to America?

history.howstuffworks.com/history-vs-myth/chinese-beat-columbus.htm

Did the Chinese discover America years before Christopher Columbus? Read the evidence that supports the 1421 theory that the Chinese beat Columbus.

Is there such a thing as a man-eating lion?

animals.howstuffworks.com/mammals/man-eating-lion.htm

Though man-eating lions are rare, they do exist. Learn where man-eating lions live and what drives Tsavo lions to snack on human populations.

Hummingbird Migration Can Mean Flying 2,000 Miles Without a Break

animals.howstuffworks.com/birds/guess-how-far-a-hummingbird-can-fly-stopping-nope-its-farther.htm

Ruby-throated hummingbirds migrate annually from the U.S. all the way to Central America. How often would one need to stop? A new study reveals amazing abilities.

1816 Was the Year Without a Summer

science.howstuffworks.com/nature/climate-weather/atmospheric/200-years-ago-we-had-a-year-a-summer.htm

More than two centuries ago, the biggest volcanic explosion in human history occurred. And it had far-reaching effects.

How Cave Dwellers Work

history.howstuffworks.com/historical-figures/cave-dweller.htm

Cave dwellers are stereotyped as heavy-browed and dim-witted. But who are the real cave people? Read about cave dwellers and their subterranean lives.

Lemmings Jumping Off Cliffs En Masse Is a Myth

animals.howstuffworks.com/mammals/lemmings.htm

Lemmings don't commit mass suicide as is popularly believed, but they are aggressive and have even been known to charge larger predators.

How Zero Population Growth Works

people.howstuffworks.com/zero-population-growth.htm

The goal of zero population growth is to reach a sustainable global birth rate. Explore how zero population growth works and if it is possible.

Freshwater Snails: Helpful Carriers of Harmful Parasites

animals.howstuffworks.com/marine-life/freshwater-snails.htm

You might think of snails as the little shelled creatures that you find crawling in your garden, or even as a delicacy of French cuisine, where they are called "escargot." But there are snails that live in the water, too, including marine snails in the tropical oceans and freshwater snails found across the world in ponds, lakes and rivers.

10 Extinct Hominids

science.howstuffworks.com/environmental/earth/geology/10-extinct-hominids.htm

Decades of fossil discoveries have revealed much about the extinct members of our hominid family tree, but we're far from having all the answers. What have we learned from some of these fascinating finds?

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