One person's trash is another person's clue. It's amazing how much you can learn about people just by examining what they throw out. Grab a thick pair of rubber gloves, and dig in!
In the future, if archaeologists were to dig up artifacts from your life, what would they find? What would these objects tell them about how you lived? Build your own time capsule, and send a tailored message to future generations.
Have you ever gotten lost in a new place? Chances are you used a map to find your way. Archaeologists use maps to find their way around an excavation site—but first they have to draw them.
Astrophysicists are discovering new extrasolar planets—those outside our Solar System—almost daily. NASA's Spitzer Space Telescope (originally called SIRTF, or the Space Infrared Telescope Facility) and AMNH's Lyot Project Coronograph are two of the many technologies uncovering the attributes and evolution of these faraway worlds. The techniques employed by these instruments may one day help answer one of astronomy's reigning mysteries: do any extrasolar planets host life?
The feature video relates scientists' hopes for the Spitzer Space Telescope before its launch in 2003. It also gives a firsthand look into the making of the Lyot Project. The feature essays share how these two remarkable technologies are making progress in their goals to seek and understand extrasolar planets.
If protecting the world's animals and plants is one of your goals, then you need to meet these OLogists. Find out where Ismael, Keally, Marco, and Eleanor have followed their curiosity.
Dive into marine biology with Gabriela, Gwyneth, Luke, and Melanie. You'll travel from the west coast of Africa to the north coast of Ireland, meeting sea birds, seals, and lots of fish.
Follow geologists as they hunt for, pickaxe, and test rock samples from the 2.5 billion year old Huronian Supergroup, a sedimentary formation in Ontario, Canada. The scientists are in search of an exact record of how much oxygen gas Earth's developing atmosphere contained at key moments in geologic time. These crustal relics, which have interacted directly with ancient atmospheres, have the power to tell scientists when and how the Earth built up its incredible life-support system to foster more and more complex organisms.
Do you dig the Earth? If so, you'll want to meet Arjun, Diana, Ruthmabel, and Ed. From volcanoes to deep sea vents, find out where these OLogists' interests have taken them.
How well grounded is your knowledge of our planet? Test your Earth science knowledge with this interactive quiz. Then, examine your faults—and the rights answers.
From any place on Earth, a compass will always point north. But do you know why? Explore the inner workings of this tiny magnet by building one—and then testing it in your neighborhood.