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Opinion

Read expert opinions from the world's leading scientific minds on everything from science's big conundrums and latest research outcomes to future science

Physics

Turning point: Back to my future

Building a time machine is not really the kind of goal even a frontier physicist like Ronald L. Mallett likes to talk about in public 鈥� still less his real motivation

Opinion

Humans

Survival of the nicest

Opinion

Life

Interview: The harmless people

Opinion

Health

Stem cell research: Dangerous territory?

Opinion

Earth

Climate change: We have been warned

Opinion

Interview: Tony Blair on science

Opinion

Technology

Armchair warlords and robot hordes

Opinion

Health

Editorial: Drug companies in bed with patient groups

Opinion

Editorial: Climate change warms up US elections

Opinion

Health

Interview: Traditional medicine, novel partnership

Working with the traditional healers of Samoa in the 1980s, Paul Alan Cox learned of a potion that turned out to contain a potent anti-HIV drug

Opinion

Technology

Interview: Getting inside large-scale online games

Opinion

US science: Doing it for the kids

Opinion

Life

Editorial: Beyond IVF

Opinion

Life

Mass hysteria: Terror’s hidden ally

Opinion