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. How does your dinosaur smell?
Quite well, on the whole.

. Science prizes: Best in class
What is it like to be labelled a genius? Kendall Powell follows the paths of four MacArthur Fellows #20; and finds they lead to rutting elephant bulls, climate-change champions, hybrid sunflowers and robotic hands.

. Arctic sea ice reaches annual low
Floating pack fails to break record shrinkage of last year.

. Particle physics: The race to break the standard model
The Large Hadron Collider is the latest attempt to move fundamental physics past the frustratingly successful 'standard model'. But it is not the only way to do it. Geoff Brumfiel surveys the contenders attempting to capture the prize before the collider gets up to speed.

. An offer Genentech can't refuse?
Roche promises to preserve Genentech's independence if it acquires the remaining shares.

. Virtual drug den to aid addiction research
'Meth-Apartment' can help induce cravings to test therapies.

. Climate science: The long summer begins
A research vessel embedded in the thinning Arctic sea ice has a front-row seat for the cryospheric show of the century. Quirin Schiermeier reports from Darnley Bay, Canada.

. Overfishing worse than thought
Tropical fishermen catch far more species than reported officially.

. New insight into SIDS
Mouse model suggests serotonin might play a role in cot death.

. Fusion reactor faces cost hike
ITER will also be delayed by up to three years.

. Next Week's News
Your chance to tell us what you want to read, and why.

. Not so noble
The inert element xenon has been forced into partnership with the humble water molecule

. Humans can judge a dog by its growl
We can size up a dog simply by listening to its growl #20; but not in the way you might think.

. Doughnut-shaped Universe bites back
Astronomers say Universe is small and finite.

. Stamp out common virus to beat brain cancer
New strategy could help beat tenacious brain tumours.

. Fat cell numbers stay constant through adult life
Even serious weight loss doesn't reduce your overall number of fat-holding cells.

. Trigger in heparin deaths confirmed
Contaminant set off allergic-like reactions.

. Social networking site aims to help fight malaria
New website gives smaller African projects a bigger profile.

. Buckyballs give flash a boost
Fullerenes could be used to reduce amount of power needed in memory devices.

. What's Madonna got to do with it?
The interests of vulnerable children in institutional care are not well served by the latest bout of dodgy statistical reasoning, says Philip Ball.

. Ancient Buddhas painted in oils
Were painters on the Silk Road way ahead of the Europeans?

. An appetite for sex
Calorie intake before conception may mean the difference between boys and girls.

. Get me to the Moon on time
Vibration problems may slow down NASA timetable.

. Drug markers questioned
A recent spate of worrying clinical-trial data has researchers questioning drugs approved on the basis of how they affect biomarkers rather than clinical endpoints. Heidi Ledford looks at surrogate markers.

. Laughter brings out a red nose
Clown make-up may have a foundation in biology.

. Botox toxin gets into rat brains
Botilinum can travel along nerves and degrade proteins in the brain stem.

. Do things fall differently in little galaxies?
Theorist claims that 'dwarf galaxies' are best explained by tweaks to gravity.

. Transgenic crops can persist for ten years
Genetically modified oilseed rape springs up a decade after trial crop was sown.

. Bird uses 'whiskers' like a cat
Facial feathers are more than just decoration.

. Night lights for millions
Campaign aims to give solar lighting to the developing world.

. A recipe for food evolution
Researchers apply statistics to cookery books in different cultures.

. Jules Verne ready for launch
European resupply vehicle set for one-way trip to International Space Station.

. Fishing trawlers have double the reach
Trawling shallower depths can affect fish in the deep sea.

. Last days for US polar bear dithering?
US government's decision on threatened status due Monday, or lawsuits will follow.

. Stem-cell claim gets cold reception
Carbon nanotubes used to reprogramme adult human cells?

. HIV's ancient legacy
Lentiviruses may have vexed nonhuman primates for millions of years.

. Can a spacecraft save Earth from an asteroid?
Winning mission proposes to track threat.

. Revamp for NIH grants
US funding body receives recommendations for improving its peer-review process.

. Scientists urged to plan for the next US president
Policy experts tell researchers to lobby now for the next science adviser.

. Experts suspicious of 'splatellite' plan
The US government's decision to shoot down its errant spy satellite has met with concern.

. Human embryos cloned from adult cells
Researchers are eager to see whether patient-matched stem-cell lines can be produced.

. Fish ladders of doom
Attempts to help river-spawning fish in Brazil may have led to their decline.

. Zoo's abandoned polar bear cubs 'will be left to die'

. China amends patent-rights law to boost innovation

. We're all going to die
Can humanity be saved from catastrophe, and is the cost worth it?

. Monkeys add up like we do
Rhesus monkeys master basic addition in a similar way to humans.

. Race to mimic human embryonic stem cells
'Personalized' tissues come a step closer.

. Drug firms accused of biasing doctors' training
The uneasy link between industry and education.

. Bat noses inspire robotic sonar
Scans reveal secrets of how sound is sprayed from a bat nose.

. Dinosaur discovered after a century on the shelf
New sauropod genus lay unappreciated in London museum basement for 113 years.