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France's scientists take to the streets more readily than most, but are now rightly confronting a neglectful government. They should resist short-term concessions unless these help to secure the long-term health of research.
The ice covering Greenland holds enough water to raise the oceans seven metres — and it's starting to melt. How far will it go? Quirin Schiermeier wades into the evidence.
Across the industrialized world, birth rates are falling and people are living longer. This will require a new focus on research to promote healthy ageing, rather than simply treating the diseases of old age. Alison Abbott reports.
Chaotic systems can be characterized by the swirling patterns of ‘strange attractors’. A powerful method to determine their behaviour has been validated for the most famous case, the Lorenz attractor.
Why do women live long past the age of child-bearing? Contrary to common wisdom, this phenomenon is not new, and is not due to support for the elderly. Rather, grannies have a lot to offer their grandchildren.
A trapped ion emits a photon. Ion and photon are entangled, so the photon carries away information on the state of the ion. Now realized, this system could become a communication link in a quantum network.
Fifty-five million years ago the Earth suddenly got much hotter. Events are recorded in a ‘spike’ in the carbon-isotope record, for which a provocative new explanation has been proposed.
Has the value of the fine-structure constant changed over the history of the Universe? An earlier analysis of radiation from distant quasars suggested the answer is yes — a new analysis says no.
Most female mammals experience a reproductive decline with increased age, previously attributed to the instability of ageing oocytes. But could it be due to a previously unrecognized stem-cell well drying up?
The magnetic fields of Uranus and Neptune are markedly different from those of other planets in the Solar System. Can this be attributed to structural differences deep inside the planets?
With venture-capital funds depressed, kick-starting a technology business can prove to be problematic. James C. Hsiao and Kenneth Fong offer some advice for budding entrepreneurs.
Complete genome sequences have provided a plethora of potential drug targets. But the hard task of finding their weak spots is just beginning, as Caitlin Smith finds out.
This Collection of articles is unprecedented: a Naturesupplement that was written for researchers in China and originally published, at the end of last year, in the Chinese language.
