Top news for December 21, 2008

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KAIST develops a strategy to balance radical generation and catalyst regeneration, enabling challenging chemical reactions

Hurricane Hunters reveal 4 warning signs that a storm is about to strengthen

Hidden gut defect that may explain why IBD keeps coming back

APOD: 2026 September 20 – Analemma over the Callanish Stones

Fall Begins This Week — But Day And Night Won’t Actually Be Equal

A New Helium Measurement Is Testing the Universe’s First Five Minutes

Menopause May Temporarily Alter Your Brain's Normal Aging, Scans Reveal

The Surveyor 2 Lunar Landing Mission: Things Don’t Always Go As Planned | 60 years ago

Archaeologists Decode Rules of an Ancient Roman Board Game

Tiny Hairs That Help Corals Breathe May Malfunction in Warming Oceans