Archive: 02/22/2011

Screening mammograms catch second breast cancers early

More women are surviving longer after having early-stage breast cancer, but they are at risk of developing breast cancer again: a recurrence or a new cancer, in either breast. Annual screening (a.k.a. "surveillance") mammography ...

dateFeb 22, 2011 in Cancer
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Nano-sized vaccines

MIT engineers have designed a new type of nanoparticle that could safely and effectively deliver vaccines for diseases such as HIV and malaria.

dateFeb 22, 2011 in Bio & Medicine
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Ghostly, Ethereal Island as seen from space

Looking rather otherworldly, this haunting view of Shikotan-to island shows ghostly swirls of sea ice surrounding the snow-covered volcanic island. Also known as Ostrov Shikotan, this island is at the southern ...

dateFeb 22, 2011 in Earth Sciences
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Biogeography of Protea in the Cape

The South African Cape region is a hotspot of angiosperm biodiversity, but the reasons for the high levels of diversity and endemism are still obscure.

dateFeb 22, 2011 in Evolution
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