Now you've probably seen a cutaway section of a tree trunk, those rings inside? Well, they tell a story about the conditions the tree faced year after year. It turns out that whales contain a similar record inside their ears. Joining me now to talk about it are two researchers looking into this record. Stephen Trumble is an assistant professor of biology. Sascha Usenko is an assistant professor of environmental science. They're both at Baylor University in Waco, Texas. Welcome to SCIENCE FRIDAY.
September is peak season for the fall bird migration. Hummingbirds have already made the trip south while songbirds have been slow to move this year. Naturalist and author Kenn Kaufman shares tips on spotting different species and making your yard bird-friendly.
The science fair is a nearly century-old right of passage for students. What role does the traditional science fair play in the digital age? How can these competitions be reworked to include broader participation and encourage students, and teachers, to explore hands-on learning?
"Quantified self" apps know where you are, how you got there (by foot, bike, or train), who you're with — even how well you slept last night. Ellis Hamburger, a reporter at The Verge, reviews a handful of apps that track your daily movements, such as "Human" and "Moves."
Commuters in Los Angeles spend some 60 hours a year stuck in traffic. But that could change, some experts say, as the city ramps up its mass transit. Guest host John Dankosky talks with a panel of city planners about how to add mass transit to L.A. and other urban areas — and get people to ride it.