Archive for the ‘Molecular basis of heredity’ Category


Sex Among Snails: Love Darts! - Thursday, July 12th, 2001

Natural love: Hermaphroditic snails dart each other during sex. Just before mating, hydraulic pressure builds around the dart. When the second animal touches the darter’s genitals, it shoots.



Bacteria: Not in Your Genes? - Thursday, May 17th, 2001

New report says we don’t get genes directly from bacteria.



DNA Fingerprinting: the How-to Manual - Thursday, January 25th, 2001

How accurate is DNA fingerprinting, and how does it work? What are the standards for a solid identification?



Galapagos: The Evolution Islands - Thursday, January 11th, 2001

Are the Galapagos islands the birthplace of evolution theory and evolution science? What did Darwin learn there, and how are they being preserved nowadays?



Long Live the Long-Lived Fruitfly - Friday, December 15th, 2000

Disabling a gene doubles the lifespan of a fruit fly — may act like caloric restriction.



Multiple Births! Terrific Twins… - Thursday, December 11th, 1997

All about twins and super twins! Surprising smarts in Swedish siblings. Intelligence, personality, and coping 101 for harried parents.



Cloning! Dolly’s Dramatic Story - Thursday, March 6th, 1997

A researcher from Scotland grew a healthy adult sheep named Dolly from a cell of an adult sheep. What is cloning, and how much of it should we tolerate?


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