All Stories by John Travis
- Humans
Motor City hosts top science fair winners
The 2000 Intel International Science and Engineering Fair winners were announced in Detroit.
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Placental Puzzle
Do captured viral genes make human pregnancies possible?
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Outmuscled: Muscles, not nerve cells, fail in old worms
In aging worms, the nervous system stays intact but muscles don't.
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Disabled genes dull sense of smell
Mutated genes may explain why humans have a poor sense of smell.
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Genes, genes, and more genes
Scientists have almost finished sequencing the genes of rice and of a man.
- Plants
New gene-altering strategy tested on corn
Scientists have created herbicide-resistant corn with a new kind of genetic engineering that involves subtly altering one of the plant's own genes rather than adding a new gene.
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Long live the Y?
Researchers have identified a means by which the Y chromosome may forestall, or at least delay, the gradual degradation that some biologists argue will ultimately delete it from the human genome.
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Bacterial diet quiets worm genes
Genetically engineered bacteria help biologists turn off worm genes.
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Sea squirt’s DNA makes a splash
The DNA sequence of a sea squirt may reveal the origins of vertebrates.
- Plants
Drought-tolerant plant mined for survival genes
A drought-resistant South African plant is revealing its genetic secrets.
- Humans
Nobel prizes honor innovative approaches
The 2002 Nobel prizes pay tribute to an international sampling of scientists who developed powerful new techniques for expanding the horizons of research.
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Cloning extends life of cells—and cows?
A study of cloned cows provides reassurance that cloned animals won't die prematurely and may even live extra-long.
