Are cancers newly evolved species?

(PhysOrg.com) -- Cancer patients may view their tumors as parasites taking over their bodies, but this is more than a metaphor for Peter Duesberg, a molecular and cell biology professor at the University of California, Berkeley.

Implantable batteries can run on the body's own oxygen

From pacemakers to neurostimulators, implantable medical devices rely on batteries to keep the heart on beat and to dampen pain. But batteries eventually run low and require invasive surgeries to replace.

Researchers investigate fighting tumors with magnetic bacteria

Scientists around the world are researching how anti-cancer drugs can most efficiently reach the tumors they target. One possibility is to use modified bacteria as "ferries" to carry the drugs through the bloodstream to the ...

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