Every animal on Earth is part of a relentless race where survival depends on being faster, stronger, smarter, or better adapted than the competition. From crocodiles and bats to sharks, platypuses, ...

In the 20th century, scientists began to suspect Earth was a lot older than we thought. It was our old friends/deadly foes, uranium and lead, that provided the first evidence.

Overview Lucy runs into Deputy Phil and tells him the truth behind the pool incident ten years ago. As Phil questions his own opinion of Charlie, Hannah senses something has changed in her adopted son ...

An expedition along the deepest parts of the Pacific coast has revealed that the region has a far more diverse and complex ecosystem of life hidden away.

Whether you prefer a small ship where group interactions are more intimate or the variety of activities on a big vessel, there are voyages to suit nearly every taste ...

A study of how animals affect human behaviour, a look into our cosmic future, an examination of Communist China, and more.