All Stories by Roberta Kwok
- Animals
Cool Jobs: Studying what you love
Researchers study the same animals that fascinated them as kids.
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- Health & Medicine
Paralyzed rats walk again
Treatment helps animals recover from spinal cord injuries.
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- Animals
Caecilians: The other amphibian
Legless creatures live secretive, strange existences underground and underwater.
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- Tech
Cool Jobs: Wide world of robots
The machines can help with everything from surgery to disaster response.
- Chemistry
DNA, RNA…and XNA?
Scientists create artificial genetic molecules that can carry information, evolve.
- Genetics
Sniffing out truffle scent
Genetics, not geography, plays key role in the aroma of the delicacy.
- Plants
Ancient flower blooms again
Scientists have found the fruit of an ancient plant that had been frozen underground in Siberia — a region covering central and eastern Russia — for about 31,800 years. Using pieces of the fruit, the scientists grew plants in a lab. The new blooms have delicate white petals. They are also the oldest flowering plants that researchers have ever revived from a deep freeze.
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- Animals
Secrets of the world’s extreme divers
For emperor penguins and other animals, being able to hold their breath the longest could be in the blood
