Nanosilver and the future of antibiotics

Precious metals like silver and gold have biomedical properties that have been used for centuries, but how do these materials effectively combat the likes of cancer and bacteria without contaminating the patient and the environment?

Nanoparticles release drugs to reduce tooth decay

Therapeutic agents intended to reduce dental plaque and prevent tooth decay are often removed by saliva and the act of swallowing before they can take effect. But a team of researchers has developed a way to keep the drugs ...

Testing astronauts' lungs in Space Station airlock

Air was pumped out of the International Space Station's air lock for the first time in the name of science last week. Inside the cylindrical Quest airlock, ESA astronaut Samantha Cristoforetti and NASA's Terry Virts monitored ...

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