Six years ago, the bear-like appearance of these microscopic organisms hooked this 12th-grader from Iowa. Learn how her interest then took her to Greenland with a team of prestigious scientists.

How is cordgrass able to survive the high salinity of a marsh when other plants can't? An amazing adaptation that lets it secrete excess salt, as this ninth-grader from Virginia discovered.

Before a bald eagle can soar majestically through the sky, it must learn how to fly. Get a firsthand look at several eaglets' first flights with this 12th-grader from Alaska.

Set your alarm for 2 a.m., and trek along with this 11th-grader from Pennsylvania on the 102nd Christmas Bird Count. You'll start the day at Mingo Creek County Park. Be sure to wear a hat!

This eighth-grader from New Mexico studied the nest-building practices of barn swallows. Along with discovering the Anasazi-pueblo-like construction of their nests, she saw some quirky musical behavior.

At 1,292 feet (394 meters) below sea level, the Dead Sea is the lowest point on Earth. But it's not the depth but the sea's saltiness that buoyed the imagination of this seventh-grader from New York.

Along with students from her Pennsylvania high school and a high school in Scotland, this 11th-grader spent three weeks doing fieldwork in the Bighorn Mountains of Wyoming. See her "Bio Group" findings.

Which has more oxygen: ocean water that has been aerated by turbulence, or bay water that has been fed by oxygen-producing plants? This ninth-grader from New Jersey learns that getting the answer is not all that easy!

This 10th-grader from New York reflects on how the colliding of continental plates and the force of glaciers helped shape the "mysterious and majestic" Palisades.

What turns a pond into an acid, waterlogged peat bog? Poor drainage and thousands of years, for starters. Go bog trotting with this eighth-grader from New Hampshire to learn more about the process.