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NASA is right to invest heavily in nuclear propulsion to speed the progress of future missions to the outer planets. But it may pay to complete our initial exploration of the Solar System the old-fashioned way.
Japan's Center for Developmental Biology aims to become a world leader in regenerative medicine. It also wants to break with a system blamed for stifling the creativity of young researchers. David Cyranoski reports.
A global network of sea-going floats is set to transform our understanding of the world's oceans. As the data start to roll in, researchers are lining up the problems they hope to solve. Rex Dalton reports.
Rival zoologists are sparring over some twisted horns from an Asian cow-like creature. Are the specimens the reality behind a Cambodian myth, or clever fakes by local artisans? John Whitfield sifts the evidence.
The coming together of two spacecraft near Jupiter provided a unique opportunity to investigate the giant planet's magnetic field — and the results, collected in this issue, are stunning.
One potential use of nuclear-transplantation — cloning — technology is to generate genetically matched tissues for treating adult patients. But there's a debate about whether mature adult cells are a good source of nuclei.
Do the elementary particles known as neutrinos have mass? Yes, according to recent experiments. But how much? A surprising — and controversial — result suggests that the answer is not what we thought.
Tyrannosaurus terrorized the Earth — at least in the Hollywood version of history. But an estimate of the muscle volume in its hind legs suggests that the mighty giant could only walk, not run.
The side of an oceanic volcano, one of the Hawaiian islands, has been caught sliding towards the sea. The distance concerned was only a few centimetres. But it could be an indicator of a huge landslip to come.
Elaborating on a scheme to develop neutron-rich material, this week's plan is to see if such a material can be made neutrino absorbent so as to put this 'ultimate waste product of the Universe' to good use.