From Pennsylvania to the Pacific Ocean and back again. Experience the final day of an expedition to study deep sea vents with this eyewitness account, and learn what came of the research.

What are "monkey's fists" doing out at sea? This type of seaman's knot is being used to deploy deep sea thermometers. Find out if this teacher AND her fists get to travel to the ocean floor.

This Hawaiian tenth-grader followed her interest in the Pacific golden plover to Alaska. The goal of her trip? To learn if the birds deliberately or randomly select the location of their nest cups.

Armed with mug shots of New York's top 20 plant invaders, this junior began an expedition in her backyard. How many of these non-native invasive plants had already gained a foothold?

This Alaskan senior wanted more from her summers than being her parents' research assistant. Travel north of the Arctic Circle, and take a close look at her hands-on—and hand-off—research on foxes.

This junior from Kansas found a swarm of "roly-polies" wreaking havoc in her family's garden. Learn about her successful search for peaceful cohabitation.

With so many rocks to choose from, why were the turtles sticking to this group of three, some piling on top of one another? Follow along as this ninth-grader from New York investigates basking behavior.

Just like humans, cows are what they eat. Why is this important? Because their manure can be used to produce methane gas, an alternative energy source that is both viable and renewable.

"Maka'ala" means to be alert or vigilant—the same qualities needed when searching for fungi in this dense Hawaiian rain forest. Follow along as this sophomore searches the forest floor.

This Iowan eighth-grader turned her love of nature into a long-term study of water pollution. She's continuing to investigate the mysterious growths that have formed on her Daphnia magna.