Ecosystems
The Amazon is in trouble. Here’s why — and why it matters
Challenges from human-caused climate change, deforestation and degradation leave the fate of this vast forest uncertain.
Word of the Week
Physics
Scientists Say: Supercool
When a liquid is supercooled, it has been chilled below its freezing point without freezing.
Experiment
Chemistry
Experiment: Kimchi chemistry
In this cooking and food science project, we make kimchi from scratch and investigate changes in pH and glucose as it ferments.
Analyze This!
Animals
Analyze This: White wing spots may help monarch butterflies fly far
Monarchs with more white on their wings are more successful migrants, new research shows
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This egg-eater may have the biggest gulp of any snake its size
Slither aside, Burmese pythons. This little African snake has a truly outsized swallow.
