Short Wave When Autumn Leaves Start To Fall
Oct 25, 2022
Discover the science behind why leaves change color as autumn approaches. A botanist reveals the secrets of photosynthesis and how environmental shifts influence this vibrant transformation. Delight in the beauty of nature's cycles as the hosts blend insights with humor. Plus, enjoy uplifting listener mail, including one aspiring to become a forest ecologist.
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Why Leaves Change Color
- The changing colors of leaves in fall inspire curiosity about the science behind it.
- This episode explores why leaves change color with botanist Tanisha Williams.
Conifers vs. Deciduous Trees
- Not all trees change color; conifers retain their needle-like leaves year-round.
- Deciduous trees, like oaks, elms, and maples, shed their leaves and change color.
Environmental Cues
- The process begins with environmental cues like shorter days and colder temperatures.
- These cues signal the trees to prepare for winter dormancy.