Time Zones
Time zones sometimes seem positively eccentric, affected as they are by political, geographical and social changes in the real world. But as irregular as they are, if you want to divide the world up into time zones, you need a way to measure time. Review rich online...Mapping Human Migration
The Spencer Wells Genographic Project is seeks to chart new knowledge about the migratory history of the human species by using sophisticated laboratory and computer analysis of DNA contributed by hundreds of thousands of people from around the world. In this...Earth Day Feature: Protecting Our Oceans, Part Two
We hope you had a pleasant and fulfilling Earth Day! Today we revisit our planet’s oceans. You will remember Sylvia Earle’s TED Talk we featured last Friday. Today we turn to biologist John Millar, who is also passionate about saving our oceans. John...Happy Earth Day
Happy Earth Day! To celebrate, we wanted to share these two videos of our beautiful planet. Enjoy!