References
31 May 2014, 03:17 AM ET
Watermelons may be mostly water but these refreshing fruits are soaked with nutrients.
31 May 2014, 02:35 AM ET
Sweet potatoes are a surprisingly nutritious vegetable. They are especially high in vitamins A, C, E, and B6, fiber and manganese.
31 May 2014, 02:25 AM ET
About 40 million Americans suffer from seasonal allergies. The most common culprit is pollen.
30 May 2014, 01:18 AM ET
Chemistry is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.
29 May 2014, 11:12 AM ET
Manhattanhenge, a phenomenon when the setting sun is perfectly aligned with Manhattan's grid-patterned streets, occurs twice a year with a full sunset, and twice a year with a half sunset.
29 May 2014, 03:03 AM ET
Nikola Tesla is often called one of history’s most important inventors, one whose discoveries in the field of electricity were way ahead of his time.
29 May 2014, 02:54 AM ET
Prenatal genetic testing may diagnose any complications or developmental issues. It can be controversial, but also beneficial.
29 May 2014, 02:48 AM ET
The Goths sacked Rome in A.D. 410, but they also helped preserve Roman culture.
28 May 2014, 02:56 PM ET
There are more than 260 known species of monkeys in the world.
23 May 2014, 10:27 AM ET
Foxes are found all over the world. In folklore, foxes are typically characterized as cunning creatures sometimes having magical powers.
22 May 2014, 08:13 PM ET
Potatoes are often thought of as a comfort food — richly mashed or crisply fried — but when prepared the right ways, these vegetables are actually quite nutritious.
21 May 2014, 03:31 PM ET
Sloths spend most of their time sleeping and eating in the tropical rainforests of South and Central America.
21 May 2014, 11:14 AM ET
Great masses of flesh that wash up on shore have mystified people for centuries. Tests show that they aren't actually sea monsters.
21 May 2014, 12:38 AM ET
The Gregorian calendar — used by most of the world — was introduced to fix errors in the Julian calendar mostly having to do with leap years.
20 May 2014, 12:42 AM ET
Druids were revered in ancient Britain. Much about them is a mystery, but we know this: They did not build Stonehenge.
16 May 2014, 10:35 PM ET
A woman can deliver her baby either by vaginal birth or a C-section. Both delivery methods have advantages and disadvantages.
15 May 2014, 09:18 PM ET
Our modern Western calendar is almost entirely a Roman invention, but it has changed significantly throughout history.
13 May 2014, 08:34 PM ET
There is also no definitive way to predict a baby's sex. Even common tests, such as ultrasound and amniocentesis, are not completely accurate.
12 May 2014, 08:27 PM ET
A midwife is a trained professional who aids and supports women in their pregnancies. Many women with low-risk pregnancies prefer using a midwife.
09 May 2014, 07:54 PM ET
The use of "anno domini" and "before Christ" to mark time began in the early days of Christianity, when clerics needed to know when Easter would fall.
09 May 2014, 07:27 PM ET
The first atomic bombs were detonated during World War II.
09 May 2014, 02:32 AM ET
Spiny on the outside, sweet on the inside, pineapples are one fantastic fruit.
07 May 2014, 07:23 PM ET
The Romans named the days of the week after their gods. The Germanic people adapted the Roman system and gave us the English names of the days.
07 May 2014, 01:38 AM ET
Broccoli, the green vegetable both reviled and revered by U.S. presidents, is a nutrient powerhouse.
07 May 2014, 01:19 AM ET
Prostate cancer is one of the most common forms of cancer in men: Almost 240,000 men in the United States are diagnosed with prostate cancer each year.
07 May 2014, 01:14 AM ET
Claims that some twins share a telepathic bond are anecdotal at best.
07 May 2014, 01:08 AM ET
Here's how to engineer a mosquito-free environment, and what to do if these annoying insects do bite.
03 May 2014, 01:30 AM ET
Seasonal allergies can be treated with OTC medicines, prescription drugs and natural remedies. Learn which medications address which symptoms.
02 May 2014, 08:37 AM ET
As the search for Malaysia Airlines Flight 370 continues, here are some facts about the passengers, crew, aircraft and airline.
01 May 2014, 11:27 PM ET
To the ancient Greeks, a barbarian was someone who didn't speak Greek. Over time, the word has taken on new meanings.
01 May 2014, 10:44 PM ET
The Egyptians started dividing the day into 24 units, a practice that continues to influence how we tell time.
01 May 2014, 10:06 PM ET
Asparagus contains a stimulating blend of nutrients, making this member of the lily family a fantastic food for your health.