31 October 2014, 11:42 PM ET
Great white sharks are the largest predatory fish. Often thought to be man-eaters, they are actually responsible for only five to 10 attacks on humans per year.
31 October 2014, 10:49 PM ET
The legend of a sunken civilization has captivated imaginations for centuries.
31 October 2014, 10:30 PM ET
There are several things a man can do to increase the chances that he will get a woman pregnant.
31 October 2014, 10:22 PM ET
The large carnivorous dinosaur reigned during the late Cretaceous Period, 65 million years ago.
31 October 2014, 10:13 PM ET
Stroke, the No. 4 cause of death in the United States, occurs when the flow of blood to the brain is disrupted.
30 October 2014, 11:51 PM ET
Spinosaurus was even bigger than Giganotosaurus and Tyrannosaurus.
30 October 2014, 11:48 PM ET
They may look slow and lumbering, but these amphibious beasts can be intimidating!
30 October 2014, 10:16 PM ET
Colon cancer, the second leading cause of cancer deaths in both men and women, can be flat or look like a cauliflower stalk.
29 October 2014, 09:38 PM ET
For a woman trying to get pregnant, there are a number of ways to increase the chances and make it more likely that she will conceive a child.
29 October 2014, 09:12 PM ET
Black widows are spiders that are known for the females' unique appearance and tendency to eat their mates.
29 October 2014, 06:51 PM ET
Amelia Earhart's disappearance during an attempt to fly around the world remains a mystery, but recent expeditions may have found clues to her fate.
28 October 2014, 10:18 PM ET
They're the tallest animal on Earth with necks that are 6 feet tall!
28 October 2014, 09:58 PM ET
Properties, sources and uses of the element chlorine.
24 October 2014, 04:10 PM ET
The fictional Dracula was loosely based on a real person with an equally disturbing taste for blood: Vlad III, Prince of Wallachia or — as he is better known — Vlad the Impaler (Vlad Tepes).
23 October 2014, 08:15 PM ET
They have a fierce bark and bite!
23 October 2014, 08:00 PM ET
Avocados are a versatile fruit that are packed with nutrients and are a great way to add healthy fat to your diet.
22 October 2014, 08:35 PM ET
Sweet potatoes are a surprisingly nutritious vegetable. They are especially high in vitamins A, C, E, and B6, fiber and manganese.
22 October 2014, 08:34 PM ET
Vampire fans have a rich vein of lore to draw from.
22 October 2014, 08:25 PM ET
There are only two species of these chomping machines, find out where they are!
22 October 2014, 08:22 PM ET
Halloween has its roots in a pagan harvest festival, while different traditions were added on throughout the years.
22 October 2014, 08:15 PM ET
Properties, uses and sources of the element titanium.
22 October 2014, 12:59 AM ET
Environmental engineering is the branch of engineering that is concerned with protecting people from the effects of adverse environmental effects.
21 October 2014, 09:06 PM ET
Their horns are made of the same stuff as human fingernails!
21 October 2014, 07:33 PM ET
Ghost hunters like to believe that ghosts exist, but science and logic are ghost busters.
21 October 2014, 07:33 PM ET
Premenstrual syndrome (PMS) refers to a variety of symptoms that women experience in the second half of a menstrual cycle.
21 October 2014, 07:03 PM ET
Properties, sources and uses of the element krypton.
17 October 2014, 07:09 PM ET
They have a nasty bite!
17 October 2014, 06:06 PM ET
Asparagus contains a stimulating blend of nutrients, making this member of the lily family a fantastic food for your health.
17 October 2014, 05:51 PM ET
A kidney stone is a hard mass that forms in the kidneys from minerals in the urine, and if large enough, can cause serve pain.
17 October 2014, 04:18 PM ET
Properties, sources and uses of the element neon.
17 October 2014, 03:49 PM ET
One in five Americans develops skin cancer over their lifetime, making it the most common form of cancer. Fortunately it is also one of the most preventable, because sun exposure is a major factor in its growth.
17 October 2014, 03:25 PM ET
They have black skin under their striped hair!