Public Library of Science

How do cancers become resistant to chemotherapy?

Genetic mutations in cancer cells can lead to resistance to treatment, thereby potentially resulting in relapse. However, a new article, published April 3 in the magazine section of the online, open-access journal PLoS Bi ...

Apr 03, 2012
popularity 5 / 5 (3) | comments 1 | with audio podcast

Do ovaries continue to produce eggs during adulthood?

A compelling new genetic study tracing the origins of immature egg cells, or 'oocytes', from the embryonic period throughout adulthood adds new information to a growing controversy. The notion of a "biological clock" in women ...

Jul 26, 2012
popularity 5 / 5 (3) | comments 0 | with audio podcast

Caffeine improves recognition of positive words

Caffeine perks up most coffee-lovers, but a new study shows a small dose of caffeine also increases their speed and accuracy for recognizing words with positive connotation. The research published November 7 in the open access ...

Nov 07, 2012
popularity 5 / 5 (3) | comments 0 | with audio podcast

Behavioral priming paradigm needs update

Behavioral priming, in which behavior is changed by introducing subconscious influences, is a well-established phenomenon, but a new study shows that the cause may be different than what was previously assumed, and that the ...

Jan 18, 2012
popularity 3.7 / 5 (3) | comments 0

Cell senescence does not stop tumor growth

Since cancer cells grow indefinitely, it is commonly believed that senescence could act as a barrier against tumor growth and potentially be used as a way to treat cancer. A collaboration between a cancer biologist from the ...

Jan 19, 2012
popularity 5 / 5 (2) | comments 0