Scientists find turbulence in Saturn's rings

Scientists find turbulence in Saturn's rings

The ringed planet Saturn, brilliant jewel of the night sky, has revealed new insights into the behavior...

Sharp drop in U.S. tuberculosis cases last year

Tuberculosis infections in the United States dropped by an unusual and unexpectedly large 11.4 percent...



Asians differ when it comes to rates of disease

Scientists for decades have lumped Asians into one homogenous group when studying conditions like breast cancer and heart disease...

Chronicle 3.19.10 4:00 AM

Bacteria may come in handy in forensics

Warning to criminals: Rubbing out your fingerprints may no longer be enough. Your germs could still give you away. It turns out the...

Chronicle 3.16.10 4:00 AM

Scientists find key to rattlers' infrared sight

In the long evolution of reptiles, the venomous rattlesnakes and their ilk have developed a highly sensitive way to spot their prey...

Chronicle 3.15.10 4:00 AM

'Magna Carta of physics' on view for 1st time

The original manuscript of Albert Einstein's groundbreaking theory of relativity, which helps explain everything from black holes to...

Chronicle 3.14.10 4:00 AM

Glass tops win fans in California

The Vino-Lok looks like a glass artist's take on a button mushroom. A smooth, thick disk caps a tapered, stubby stem. It is weighty in...

Chronicle 3.14.10 4:00 AM

7.2 aftershock among 3 during inauguration

At least three major aftershocks rocked central Chile on Thursday, striking minutes before its president-elect was sworn into office...

Chronicle 3.12.10 4:00 AM

'Slow Death by Rubber Duck'

Slow Death by Rubber Duck The Secret Danger of Everyday Things By Rick Smith and Bruce Lourie (Counterpoint; 328 pages; $25) Poor...

Chronicle 3.12.10 4:00 AM

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