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Regulators must be given ways to approve follow-on 'biosimilars' when proteins fall out of patent if the fruits of molecular biology are to have the greatest possible effect on health care.
The US research community is responding vigorously to calls to help change the system of grant assessment at the National Institutes of Health. A radical transformation is urgently needed.
South Africa's government has removed the minister most closely associated with public discussion of the country's HIV epidemic. But it must stand by its promises to implement a fresh AIDS strategy.
The sight of nations jockeying for position on the high seas is becoming more common. An international treaty exists to deal with such disputes and it is time for the US Senate to ratify it.