Tag: science
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Control Freaks
Tiny genetic snippets called microRNAs may promote metastasis Biologists know quite a bit about the steps that turn a normal cell into a cancerous one. Their understanding of metastasis, on the other hand, is somewhat more hazy. Now a short stretch of genetic material has been implicated in the spread of breast cancer, according to…
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Arctic radio
Free Radicals When the CCGS Amundsen, a Canadian research ice breaker, left its home port of Quebec City in July 2007, it embarked upon a historic 15-month expedition that would have it travel across the Arctic and overwinter in the Beaufort Sea. The scientists on board the Amundsen might spend their days hunting for ice…
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The missing greenhouse gas
Growth of the electronics industry will boost emissions of a ‘hidden’ — but extremely potent — greenhouse gas. Our insatiable appetite for gadgets — mobile phones, MP3 players and flat-screen TVs — may be adding a hidden greenhouse gas to the Earth’s atmosphere. Countries that ratified the Kyoto Protocol committed to reducing their emissions of…