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Science News for May 2, 2010


Resurrected mammoth blood very cool

Researchers have successfully recreated mammoth haemoglobin using ancient DNA from Siberian specimens. The team's findings reveal unique physiological adaptations that allowed mammoths to survive in harsh Arctic conditions, enabling them to cool their extremities and minimize heat loss.

SourceUniversity of Adelaide·JournalNature Genetics·DateMay 2, 2010

Families caught in the middle

Research found that 5% of low-income caregivers reported making trade-offs to pay for medical care, often at the expense of basic necessities like food and utilities. Children in these families were at increased risk of poor health, hospitalization, and developmental delays.

'Junk DNA' drives cancer growth

Researchers at University of Leeds and Charité University Medical School have discovered that 'junk' DNA promotes cancer cell growth in patients with Hodgkin's lymphoma. Long terminal repeats (LTRs) are a form of genetic material that can activate cancer genes, leading to the growth of cancer cells.

SourceUniversity of Leeds·JournalNature Medicine·DateMay 2, 2010

CSIRO telescope spots mega-star cradle

Researchers have discovered a massive cloud of cosmic gas and dust collapsing in on itself, which could help solve the mystery of massive star formation. The CSIRO radio telescope detected two types of molecules indicative of collapse, suggesting the gas is falling at an incredibly high rate.

SourceCSIRO Australia·JournalMonthly Notices of the Royal Astronomical Society·DateMay 2, 2010