22/04/2010

Pulsars in many octaves

A unique combination of telescopes allowed astronomers to simultaneously observe the radio wavelength light from six different pulsars across wavelengths from only 3.5 centimetres up to 7 metres - a difference-factor of 200, ...

Genomes of citrus canker pathogens decoded

An international team of scientists from Brazil and the United States have completed the draft genome sequences of two strains of the Xanthomonas bacteria that cause citrus canker. Citrus canker, a belligerent disease that ...

DNA barcoding reveals mislabeled cod and haddock in Dublin

Ecological scientists in Ireland recently used DNA barcoding to identify species of fish labeled as either "cod" or "haddock" in fish and chip shops, fresh fish counters and supermarkets in 10 postal districts in Dublin. ...

Genomic Analysis Indicates Mulitples Species of Killer Whale

In a report published today in the journal Genome Research, scientists report finding strong genetic evidence supporting the theory there are several species of killer whales (Orcinus orca, also known as orcas) throughout ...

The silence of the genes

Viruses have evolved a broad range of strategies that enable them to evade the immune systems of their hosts. A team of researchers led by LMU virologist Professor Jürgen Haas has been studying a novel, recently discovered ...

Gadgets: iFrogz headphones comfy to wear

New headphones from iFrogz are advertised as being more comfortable than most any other headphones available and, after wearing them for a few seconds, it's easy to confirm that claim.

Nanofibers Carry Toxic Peptides Into Cancer Cells

(PhysOrg.com) -- Researchers have long known that certain peptides are capable of killing cells by inserting themselves into the cell membranes and disrupting normal membrane structure and function. Now, researchers at Northwestern ...

Scientists to study biodiversity along river Congo

A large team of DR Congolese and Belgian scientists will next week embark on a 47-day expedition to study the fauna and flora along central Africa's Congo river, organisers announced Wednesday.

CenturyTel, seeking scale, to buy Qwest for $10B+

(AP) -- CenturyTel Inc., the country's fifth-largest local-phone company, plans to buy the third-largest, Qwest Communications International Inc., in a stock deal worth more than $10 billion so the companies can try to better ...

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