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Genetic Analysis Shakes Up Elephant Family Tree, Raising Conservation Issues

animals.howstuffworks.com/mammals/elephant-family-tree-dna-analysis-species.htm

HowStuffWorks looks at a new genetic analysis clarifying the evolutionary relationships between five modern and extinct elephant species.

Each Year Spiders Eat Millions of Tons of Food More Than Humans

animals.howstuffworks.com/arachnids/spiders-eat-millions-tons-food-more-humans-annually.htm

Spiders not only eat more meat than humans every year, they also spend a lot of time getting eaten themselves.

Ridiculous History: The Time We Erased One of the World's Biggest Waterfalls

history.howstuffworks.com/historical-events/ridiculous-history-guaira-falls.htm

GuairĂ¡ Falls between Paraguay and Brazil was one of the world's most awe-inspiring, but was erased by Itaipu Dam. Read this HowStuffWorks Now article.

Venomous vs. Poisonous: Is There a Difference?

animals.howstuffworks.com/animal-facts/difference-venomous-poisonous.htm

Venomous and poisonous mean very different things and are often used incorrectly. We'll clear up the confusion.

The Predatory Snakehead Fish, or 'Frankenfish,' Can 'Walk' on Dry Land

animals.howstuffworks.com/fish/snakehead-fish.htm

The snakehead fish can breathe air, double its population in 15 months and has a huge appetite, which is not a good thing for native species.

Yes, the Bobbit Worm Is Real and Somewhat Terrifying

animals.howstuffworks.com/marine-life/bobbit-worm.htm

Yes, this terrifying worm was named after the infamous Bobbitt case. And with good reason.

Skipping Stones on Ice Makes Crazy Sci-fi Sounds

science.howstuffworks.com/skipping-stones-on-ice-makes-crazy-sci-fi-sounds.htm

You know that sound synonymous with a certain laser blaster from a galaxy far, far away? Yeah. It sounds like that.

No More Sweet Tooth? Science Turns Off Sugar Cravings in Mice

science.howstuffworks.com/life/inside-the-mind/human-brain/no-more-sweet-tooth-science-turns-off-sugar-cravings-in-mice.htm

Could manipulating the human brain's desire for sweet foods lead to new weight control methods and better treatments for eating disorders?

Do Astronauts Need Sunscreen in Space?

science.howstuffworks.com/do-astronauts-need-sunscreen-in-space.htm

We know space is awash in ultraviolet radiation. So how are astronauts protected from all those UV rays?

Have invasive species caused any extinctions?

science.howstuffworks.com/environmental/green-science/have-invasive-species-caused-extinctions.htm

Introducing a new species into an ecosystem can have unforeseen and disastrous consequences for the species that already live there.

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