UN urges ambitious action to protect the oceans

World leaders must do more to protect the oceans, a major United Nations conference concluded on Friday, setting its sights on a new treaty to protect the high seas.

Iron nanorobots show their true mettle

Drug-coated iron nanowires that can be guided to the site of a tumor using an external magnetic field before activating a three-step cancer-killing mechanism could provide an effective option for cancer therapy.

Healthcare industry is a major source of harmful emissions

Climate change presents an unprecedented public health emergency and the global healthcare sector is contributing to the worldwide crisis, argues Jodi Sherman, M.D., associate professor of anesthesiology at the Yale School ...

Making systems robust

The human body keeps the calcium concentration in the blood constant, similarly to an aircraft's autopilot keeping the plane at a constant altitude. What they have in common is that both the body and the autopilot employ ...

River pollution recovery slows down in the UK

New research has found that rivers in England and Wales have recovered biologically from pollution since the early 1990s, but improvements appear to have slowed in recent years.

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