Top news for December 21, 2008

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'We stocked an RV as an emergency bugout vehicle': Readers share how prepared they are for a disaster

1,000-mile-long cloud that forms and vanishes on Mars every day obeys 'exotic physics' never seen on Earth

Jonathan the Giant Tortoise Is 194 Years Old. He Just Had His Genome Sequenced.

Jonathan the tortoise has lived to 194 years old — now scientists think they know why

A Lab Worker’s Death Is Raising Plague Fears in Russia. What Do Experts Want to Know?

Margaret Hamilton, Whose Software Guided the Apollo Missions, Has Died

Scientists warn a popular vitamin D supplement may have a hidden downside

Not all trans fats are bad, major review finds

APOD: 2026 October 8 – The Saturn System Smörgåsbord

Fighting Drought in Texas Cotton Country