Tag Archives: DNA

Twins don’t share everything

At birth, identical twins have differences in the chemical markers attached to their DNA. These differences may help explain why they don't look exactly the same. Credit: Todd Huffman

Twins carry different flags on their DNA, even from birth

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Whale-free perfume

Sperm whales are among the largest mammals on Earth. Credit: Wayne Hoggard NOAA/NMFS/SEFSC

Tree gene trick is good news for people who like perfume made without sperm whale waste

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DNA takes notes

DNA, a tightly coiled molecule found in almost every living cell, may be used as a memory device. Credit: National Human Genome Research Institute

Engineers develop a computer memory system based on living cells

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Nanosilver, away!

Adam Noble, a 12th-grader from Lakefield, Canada, has developed a process to remove nanosilver, a potentially harmful pollutant, from waste water. Credit: Patrick Thornton / SSP

Technique uses microorganisms to scour tiny pollutants from waste water

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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 , , , , , , , ,

What’s on your genes?

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Tiny genetic switches create big differences

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Scientist Profile: Leroy Hood

Leroy Hood cofounded an institute to develop a way to tailor medical treatments to each individual person. Credit: Lee Hood/Institute for Systems Biology.

The inventor of the DNA sequencing technique, and Albert Lasker Awardee, embarks on the next big challenge.

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Crawling, nano-sized robots

Built from DNA, these teeny bots move as directed

Posted in Technology & Engineering | Tagged , ,

Caterpillars tattletale to police

Clothes moth larvae snack on hair from corpses, providing police with genetic clues

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