Then, try bird watching. Make or buy your own bird feeder. Use kid binoculars to observe what birds live in your backyard. Go on a hike and look for birds. Volunteer to tag birds at your local ...

The famous Ebbinghaus illusion, named for its discoverer, the German psychologist Hermann Ebbinghaus (1850–1909). Despite appearances, the two orange circles are the same size. Have you ever looked at ...

Most kids will never see a wolf pack in their backyard or an otter in their neighborhood creek. But birds? They’re everywhere—and that’s why they make great photography subjects for children. Not that ...

In times of exacerbating biodiversity loss, reliable data on species occurrence are essential. Environmental DNA (eDNA) - DNA released from organisms into the water - is increasingly used to detect ...