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Finding victims in post-disaster spaces
When earthquakes strike, people often get trapped in buildings. Search and rescue teams can pinpoint some victims using sniffer dogs and sensors. But a new European system that takes pictures during or after a building collapse promises to save many more lives. view more (2004-09-17)
Equations against hypothermia
Sharks are, by tradition, the eternal threat facing divers. Yet, a diver is quite a lot more unlikely to meet such a creature under the water than, at some time or another, to come up against an even greater danger - hypothermia, or exposure. To enable divers to prevent this syndrome from creeping silently up on them, two researchers from the Area... view more... (2004-09-01)
Therapeutic Cloning No Longer A Dream, Says Scientist Who Produced First Cloned Embryonic Stem Cell
A member of the team who were the first in the world to produce stem cells from a cloned human embryo told the 20th annual conference of the European Society for Human Reproduction and Embryology on Wednesday 30 June that the work could generate potentially unlimited undifferentiated stem cells. These could eventually be used for tissue repair and... view more... (2004-06-30)
Students blow up the universe for Morse creator Colin Dexter
School students will blow up the universe, smash spinning eggs together, and make cola cans implode to try and win one of the UK's most challenging science competitions, to be held in London on Wednesday 31st March. Paperclip Physics is organised by the Institute of Physics and the students taking part will have to explain some of the most complex... view more... (2004-03-30)
Stem-cell therapy could have benefits and risks for heart-attack patients (pp 746, 751, 783)
Two studies in this week's issue of THE LANCET raise questions about the feasibility and safety of stem-cell therapy for heart disease, suggesting that such treatments could have both benefits and drawbacks. Adult haemopoietic stem cells give rise to blood cells, and are thought to be able to generate other types of cell. Recent studies have... view more... (2004-03-03)
Flood-plagued York threatened by drying out
York's world-renowned archaeological remains are in danger - of drying out. The problem also threatens to cause roads to buckle, sewers collapse and subterranean gases leak into the air, unless a team from Leeds geography department can discover the effect of flood defences and new building in and around the city. York's flooding problem is well... view more... (2004-02-23)
Olympus Mons - the caldera in close-up
View from overhead of the the complex caldera (summit crater) at the summit of Olympus Mons on Mars, the highest volcano in our Solar System. Olympus Mons has an average elevation of 22 km and the caldera has a depth of about 3 km. This is the first high-resolution colour image of the complete caldera of Olympus Mons. The image was taken from a... view more... (2004-02-11)
Social life-history response to individual immune challenge of workers of Bombus terrestris: a possible new cooperative phenomenon
Solitary organisms can minimise fitness loss from parasitism with a facultative change to an earlier reproduction. Such a shift of the reproductive effort gives the host a chance to compensate for the cost on future reproduction resulting from the infection. In the case of social insects, where brood care and reproductive effort are shared between... view more... (2004-02-05)
Future climate change in North-Western Europe may come as a shock
North-Western Europe could be in for some sudden climatic surprises in the future, say scientists speaking at the launch of a new book on global environmental change*. North-Western Europe is kept warm by an ocean current known as the North Atlantic Current, an extension of the Gulf Stream which brings warm water from the tropics to the north.... view more... (2004-01-16)
African sweetener
One present-day form of colonialism works like this: A company sends researchers into the rainforest to discover promising new natural substances. Once found, the company registers a patent or trademark and begins to cash-in. Even more effective is the latest variant: Instead of using the plant itself, the relevant gene is isolated and... view more... (2004-01-05)
Predators drive the lemming cycle in Greenland
A recent study conducted in eastern Greenland and published in the October 31 issue of the Science magazine provides new understanding of the dynamics of arctic lemming populations. Olivier Gilg and Ilkka Hanski from the University of Helsinki, Finland, and Beno'®t Sittler from the University of Freiburg, Germany, combined long-term field... view more... (2003-10-29)
Scientists Detect Melting of Antarctic Ice Shelf
A giant ice shelf the size of Scotland is melting rapidly in warm Antarctic waters, a report in SCIENCE will reveal today. Thinning of the Larsen Ice Shelf - vast sections of which collapsed catastrophically during the 1990's - was discovered by scientists at the University of Cambridge, University College London, University of Bristol and the... view more... (2003-10-29)
Toad tadpoles and the 'Laurel and Hardy' effect
Research at the University of Kent has revealed a remarkable phenomenon among tadpoles of the Mallorcan midwife toad, one of Europe's most threatened species. The researchers, from the University's Durrell Institute for Conservation and Ecology, (DICE) have discovered that the toad tadpoles can change shape when they smell snakes swimming nearby.... view more... (2003-10-20)
System failure at heart of child abuse case disasters
System failure lies at the heart of the current crisis surrounding cases of suspected child abuse, argues a retired paediatrician in this week's BMJ. The recent quashing of Sally Clark's conviction for the murder of two of her children and the collapse of the case against Trupti Patel have shaken public confidence. But we need to look less... view more... (2003-08-06)
Monocolonialism holds clues for understanding the little fire ant
The presence of Wasmannia auropunctata in New Caledonia was first recorded in 1972. This small ant, with workers measuring only 1 or 2 mm, originates from tropical America. It was introduced by human activity, accidentally brought in, probably on plant material imported for use in forestry. The ant has colonized almost every ecological type of... view more... (2002-12-20)
From food scraps to fuel cell
EMBARGOED UNTIL WEDNESDAY 9 OCTOBER 2002 19:00 BST UK CONTACT - Claire Bowles, New Scientist Press Office, London: Tel: +44(0)20 7331 2751 or email claire.bowles@rbi.co.uk SCRAPS of food could soon be helping power your home, thanks to an ultra-cheap bacteria-driven battery. Its developers hope that instead of feeding the dog or making garden... view more... (2002-10-09)
Digital Ant Colony System
Whoever thinks that ants are only erratic little beings, whose incessant wanderings are pointless or obey no kind of universal order, is very much mistaken. Their society is so organized and complex that it is already being used as a model for the creation of algorithms, adaptable to a variety of scientific areas. Inspired by the work of Chialvo... view more... (2002-09-30)
Silicon And Diamond
To make super-durable and strong details it is necessary to use so-called diamond composites, i.e. materials (matrixes) with incorporated tiny diamonds. The matrix is to be durable, strong, wear-proof as well as monolithic by structure ensuring chemical interaction with diamonds. To avoid internal tension this matrix must have physical... view more... (2002-09-23)
Why are cod stocks collapsing?
Sudden collapses in many ecological systems are the rule rather than exceptions to the rule. This is shown by Professor Lennart Persson of Ume'å University, Sweden, in the latest issue of the scientific journal Proceedings of the National Academy of Sciences. Among other things, the article provides an explanation for the collapses in cod... view more... (2002-09-23)
Tall buildings post-WTC: simple measures could save lives
11 September 2001 will remain a defining moment in the history of building performance in the face of a malicious attack on civilised life, Dr John Roberts will tell the BA Annual Festival of Science at the University of Leicester. Dr Roberts, Director of Babtie Group and a Fellow of the Royal Academy of Engineering, will outline the practical... view more... (2002-09-06)
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