Author Archives: Roberta Kwok

Caecilians: The other amphibian

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Legless creatures live secretive, strange existences underground and underwater

Posted in Animals | Tagged , , , , , , ,

Stony bacteria

A newly discovered bacterium has pearl-like lumps inside.  Credit: CNRS, K. Benzerara & S. Borensztajn

Lake-dwelling bacterium has hard lumps inside it

Posted in Microbes, Fungi & Algae | Tagged , , , ,

Cool Jobs: Wide world of robots

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The machines can help with everything from surgery to disaster response

Posted in Technology & Engineering | Tagged , , , , ,

DNA, RNA…and XNA?

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Scientists create artificial genetic molecules that can carry information, evolve

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Sniffing out truffle scent

A new study found that a truffle’s DNA plays a key role in determining its distinctive smell.  Credit: Richard Splivallo

Genetics, not geography, plays key role in the aroma of the delicacy

Posted in Microbes, Fungi & Algae | Tagged , , , , , ,

Ancient flower blooms again

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Fruit frozen underground for more than 31,000 years produce plants

Posted in Plants | Tagged

Weed wars

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Farmers fight unwanted plants among crops

Posted in Agriculture | Tagged

Secrets of the world’s extreme divers

Diving Emperor Penguin

For emperor penguins and other animals,
being able to hold their breath the longest could be in the blood

Posted in Animals | Tagged

These gems make their own way

Gemstones made in the lab could improve your cell phone or catch nasty bacteria in your water.

Posted in Chemistry

Scientist Profile: Wally Gilbert

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Wally Gilbert is interested in just about everything. He began by studying physics and then switched to biology, eventually winning an Albert Lasker Basic Medical Research Award in 1979 and then a Nobel Prize in Chemistry in 1980.

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