Roxanne Khamsi

Roxanne Khamsi

I'm a science writer and editor.

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Dn9800 2 450 article
New Scientist

Ant's super-fast bite is a built-in 'ejector seat'

The blistering bite velocity of the trap-jaw ant is one of the fastest movements in the biological world, and is more than just a deadly weapon...

New Scientist

Impaired emotional processing affects moral judgements

Brain damage affecting the emotion centre of the brain skews moral choices towards the greater good, unfettered by concerns over individual harm...

New Scientist

Vibrating mice may hold obesity clue

Time on a vibrating platform may reduce the rate at which fat cells develop in mice, suggests research, but some are sceptical of the findings...

New Scientist

Low-salt diet prevents heart attacks and strokes

Reducing salt is known to lower blood pressure - but new research shows that cutting back also lowers the risk of heart disease and slashes the overall mortality rate by a fifth...

New Scientist

Why elephants avoid the high road

The big beasts turn their trunks up at steep slopes, satellite data show, even those paths brimming with tasty plants - their metabolism may be the reason why...

New Scientist

Hope for cannabis-based drug for Alzheimer's

Old rats with simulated Alzheimer's suffered less brain inflammation and did better on a spatial memory task - but a human version of the drug is far off...

New Scientist

Red wine compound boosts athletic endurance

High doses of a compound found in grape skins and red wine improves muscle endurance in mice - and it also keeps them slim...

Dn12666 1 250 article
New Scientist

Bumpy bones suggest Velociraptor had feathers

The identification of tiny knobs on the limbs of the raptor provides proof that the species had feathers, researchers say - but what were they for?...

New Scientist

Red meat linked to breast cancer risk

Daily consumption of red meat appears to double a woman's risk of certain breast cancers, even before menopause...

New Scientist

Firstborn children are the cleverest

The extra attention parents lavish on their first child may have its rewards - they tend to have higher IQs than later siblings...

Dn11388 1 350 article
New Scientist

Species evolve faster in cooler climes

An analysis of birds and mammals across the Americas has reached the surprising conclusion that new species emerge more frequently in temperate regions than in tropical ones...

Dn12649 1 423 article
New Scientist

Honeybees gang up to smother deadly hornets

To protect their colonies, Cyprian honeybees swarm into a tight ball around a threatening hornet, seemingly killing the would-be predator by suffocation...

New Scientist

Cervical cancer virus risk may depend on race

Women might face a greater risk of the cancer-causing human papillomavirus if the strain originates in the same place as their ancestors...

New Scientist

Seaweed compound blocks cervical cancer virus

The extract carrageenan, used in infant formula and sexual lubricants, appears to block human papillomavirus from entering human cells...

New Scientist

Paying taxes is a pleasurable duty

It seems people enjoy parting with money more than they let on, a new study suggests that giving away cash triggers a physiological reward...