HDMovies

When Harvard PhD student Jennifer Brea is struck down at 28 by a fever that leaves her bedridden, doctors tell her it’s "all in her head."...

Many geneticists and archaeologists have long surmised that human life began in Africa. Dr. Spencer Wells, one of a group of scientists studying the...

Each day, some 2.5 trillion bytes of data are exchanged, a deluge known as "big data." How can we classify, store, and give meaning to this mass of...

Having to prove the existence of God to an atheist is like having to prove the existence of the sun, at noon on a clear day. Yet millions are...

The biggest tech revolution of the 21st century isn’t digital, it’s biological. A breakthrough called CRISPR gives us unprecedented...

Earth teems with a staggering variety of animals, including 9,000 kinds of birds, 28,000 types of fish, and more than 350,000 species of beetles....