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Cellular Machines: The Goal of Synthetic Biology

-- Synthetic biologists are a new breed of researchers: part-scientist, part-engineer. Building on the work of more traditional biologists, synthetic biologists try to use what we know about biology to engineer new functions into living things, such as…

Cancer Immunology: Not So Secret Anymore

-- Scientists and prostate cancer patients alike cheered when the FDA approved Provenge, the first therapeutic vaccine for prostate cancer, in April 2010. A few months later, a second group of researchers published a clinical study that suggested the…

Mapping the Brain with Connectomics

-- Connectivity between neurons is central to nervous system function; on a more personal level, the unique connections within our brains may be what contribute to our individuality. The emerging field of connectomics seeks to gather and analyze…

A revolution led by dying stars

--You may be surprised by how much we have learned about life on Earth by observing some of the most distant objects we find in the universe: supernovae. These are the brief, but brilliant, explosions that end the life of certain types of stars and can…

Keeping Time with Atoms

--It’s ten seconds to midnight on New Year’s Eve, but by whose watch? Like all standards, measurements of time are arbitrary, and only as good as the precision of each ‘tick.’ As no clock is perfect, each will eventually speed up or slow down, making…

HIV: Progress in Prevention

A study published this summer in the journal Science found, for the first time, significant success in preventing HIV infection using a vaginal microbicidal gel [1]. This finding is an important step in our understanding of HIV prevention and in curbing…

Malaria: An Old but Pressing Problem

It takes a life every 30 seconds and sickens almost 250 million people a year… but this is no AIDS epidemic; no newly emerged disease that medical science is scrambling to control.  Malaria has been a scourge of mankind throughout recorded history,…