In November of 1978, an observer in a Boston institution hurriedly scrawled down a short note that, unbeknownst to them, would eventually send waves through the research field of language development.

Black Americans are nearly twice as likely to have high blood pressure, diabetes, and heart disease than White Americans, and their life expectancy is about five years shorter. Why? In this special ...

This two-hour program is divided into 12 chapters. Choose any chapter below and select QuickTime or Windows Media Player to begin viewing the video. If you experience difficulty viewing, it may be due ...

For more than 50 years, NOVA has been inspiring people with stories of science that spark curiosity and illuminate the ways that science can solve important problems and improve lives. In classrooms ...

Books are fragile things. That is why old books are so precious to us—they've survived the ravages of time. Imagine, then, how precious centuries-old manuscripts are, those like the Archimedes ...

The only written record ever found of the disastrous Franklin Northwest Passage expedition of 1845-1848 was discovered in 1859. It was found in a stone cairn erected on the western shore of King ...

Imagine a website that reviewed narcotics. Imagine that people who were really into methamphetamine or heroin could go to one of dozens of sites to weigh the pros and cons of each drug. Imagine these ...

For decades, rumors of alien spacecraft at Area 51 have captivated the public imagination. In what is now known as one of the most infamous government cover-ups, an absence of information fueled wild ...

A new study shows that, in contrast to a longstanding rule in human biology, mitochondrial DNA can be inherited from fathers as well as mothers. Photo Credit: seal1837, Pixabay Share The first time ...

Settles into a program of self-education at age 10 and begins reading as much about science as he can. Attempts to skip high school by taking an entrance exam to the Swiss Polytechnic, a top technical ...

More than 2,300,000 limestone and granite blocks were pushed, pulled, and dragged into place on the Great Pyramid. The average weight of a block is about 2.3 metric tons (2.5 tons). How much is that?

King Khufu, who is also known by the greek name "Cheops," was the father of pyramid building at Giza. He ruled from 2589 - 2566 B.C. and was the son of King Sneferu and Queen Hetpeheres. Dates Built: ...