Jessie Szalay

Cobras are large, venomous snakes with a trademark hood. They hiss and spit and can raise the upper part of their bodies high enough to look you in the eye.

Camel spiders are not spiders, and they don't eat camels — or people. These arachnids became infamous after the Gulf War.

Coral snakes are small, vibrantly colored, highly poisonous snakes found in Asia and in the Americas. When threatened, they make a popping sound with their cloacas — essentially a fart.

Rattlesnakes are found throughout North and South America. Their distinctive rattle warns intruders to stay away!

Funnel-web spiders build funnels out of their webs. Some of these spiders are among the most venomous in the world.

Garter snakes are some of the most widespread snakes in North America. They can be found from Florida to Alaska.

Corn snakes are nonvenomous snakes found primarily in the southeastern United States. They are popular as pets, and selective breeding has produced many varieties, or morphs.

There are 40,000 types of spiders in the world. All of them bite, but spider bites are rarely deadly.

Avocados are a versatile fruit that are packed with nutrients and are a great way to add healthy fat to your diet.

Learn about keeping your kids’ teeth healthy and strong from infancy on and setting them up for a lifetime of healthy teeth and good dental hygiene practices.

Gingivitis and periodontitis, two types of gum disease, are fairly common, but can be stopped or their symptoms lessened with effective care.

Dental plaque is a sticky, clear film of bacteria that forms on teeth. It causes dental problems, so plaque should be removed regularly.

Aspirin is a common pain reliever. Learn how aspirin works, what "baby aspirin" is for, what aspirin's side effects are, and whether you should give aspirin to your dog.

Portuguese explorer Ferdinand Magellan led the first voyage around the world.

The blending of history and legend has created a distorted image of the Jamestown leader, especially with the story of his rescue by Pocahontas.

The Sistine Chapel in the Vatican is renowned for its Renaissance art, especially the ceiling painted by Michelangelo.

Yosemite National Park spans nearly 1,200 square miles and features many geological wonders.

Shah Jahan built this monument of love for his favorite wife, Mumtaz Mahal.