Warm autumn weather has produced dull leaf colors across the eastern US this year, but climate change isn’t the only way that humans have altered trees’ fall displays.
Apple breeders have created crisp, juicy and tasty fruits, but the limited varieties leave crops vulnerable to diseases, pests and climate change. Introducing new traits could improve crop resilience.
Geese honk loudly and point their bills toward the sky when they’re ready to start the migration. Here’s how they know it’s time, how they navigate and how they conserve energy on the grueling trip.
Many deciduous trees put on a dazzling fall foliage display. But coniferous evergreens hold on to their needles and stay green. A biologist breaks down these different survival strategies.