20 February 2014, 12:42 AM ET
Risperdal (generic name risperidone) is an antipsychotic drug prescribed to treat schizophrenia, bipolar disorder and some behavioral problems in children with autism.
20 February 2014, 12:30 AM ET
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.
20 February 2014, 12:26 AM ET
Some people in Taos, New Mexico, say they hear an unusual droning sound, or buzzing, or as it has come to be called, the "Taos Hum." Pinpointing its source has not been easy.
19 February 2014, 09:52 PM ET
The Silurian Period occurred from 443 million to 416 million years ago. It was a time of great environmental changes on Earth and saw the first evidence of life on land.
19 February 2014, 01:28 AM ET
The Common Core State Standards Initiative is an effort to prepare every student for college or the workforce.
19 February 2014, 01:24 AM ET
Diabetes is a metabolic disease marked by high blood glucose, also known as blood sugar.
15 February 2014, 12:25 AM ET
Many notable figures — not only Thomas Edison — contributed to the development of this revolutionary technology.
14 February 2014, 10:05 PM ET
Poison ivy is a toxic plant that causes an itchy and sometimes painful rash in most people when they touch it.
12 February 2014, 07:48 PM ET
The Precambrian was the first super eon of Earth’s history, lasting from about 4.6 billion to 542 million years ago.
12 February 2014, 07:42 PM ET
Implicit memory uses past experiences to remember things without thinking about them, like how to ride a bike or button a shirt.
11 February 2014, 05:16 PM ET
STEM is a curriculum based on the idea of educating students in four specific disciplines — science, technology, engineering and mathematics — in an interdisciplinary and applied approach.
11 February 2014, 05:08 PM ET
The Triassic Period occurred between 251 million and 199 million years ago. It was a time when life outside of the oceans began to diversify.
10 February 2014, 07:05 PM ET
Genghis Khan and his successors conquered vast territories, from China to eastern Europe.
07 February 2014, 07:27 PM ET
A subduction zone is a collision between two of Earth's tectonic plates, where one plate sinks into the mantle underneath the other plate.
07 February 2014, 07:16 PM ET
The Permian Period lasted from 299 million to 251 million years ago. Two groups of animals that dominated the period would later branch into mammals and reptiles.
07 February 2014, 06:59 PM ET
Spinal stenosis is a narrowing of the spinal canal, the opening created by the small hole found in each of the vertebrae that make up the human spinal column.
05 February 2014, 11:21 PM ET
Declarative memory, or explicit memory, consists of facts and events that can be explicitly stored and consciously recalled or "declared."
05 February 2014, 11:06 PM ET
Lower back pain is one of the most common complaints and can have multiple causes.
05 February 2014, 11:02 PM ET
The Quaternary Period is a geologic time period that encompasses the most recent 2.6 million years — including the present day.
04 February 2014, 05:07 PM ET
Carl Jung's concept of synchronicity can be boiled down to describing "meaningful coincidences."
31 January 2014, 11:44 PM ET
The Ishtar Gate was one of eight gateways that provided entry to the inner city of Babylon.
31 January 2014, 12:37 AM ET
Louis Pasteur was a French chemist who proved that germs cause disease, developed vaccines for anthrax and rabies and created the process of pasteurization.
31 January 2014, 12:32 AM ET
Appendicitis is inflammation of the appendix. It is a serious illness and can be life threatening if not treated in time.
30 January 2014, 09:28 AM ET
Magnesium supplements are touted as helping people with many different health conditions, however, does the science support these claims?
30 January 2014, 12:44 AM ET
Complex numbers are numbers that consist of two parts — a real number and an imaginary number.
30 January 2014, 12:34 AM ET
The gallbladder is a small organ that is used to store bile, which breaks up the fat in food.
30 January 2014, 12:29 AM ET
Atrial fibrillation is a heart condition caused by irregularities in the cardiac electrical signal. The condition can result in stroke or heart failure, but treatment is available.
29 January 2014, 01:38 AM ET
Occupational therapists help patients conduct the activities of daily life that give them meaning.
29 January 2014, 01:32 AM ET
Diclofenac is often used to treat pain, tenderness, swelling and stillness resulting from various types of arthritis.
29 January 2014, 12:02 AM ET
Semantic memory is the recollection of nuggets of information we have gathered from the time we are young.
28 January 2014, 01:42 AM ET
Short-term memory loss occurs when a person can remember incidents from 20 years ago but is fuzzy on the details of things that happened 20 minutes prior. Medical conditions and injuries can cause short-term memory loss.
28 January 2014, 01:37 AM ET
Zofran: Dosage, Side Effects & Pregnancy