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It will be difficult – but not impossible – to detect the chemical breakdown products of any nerve agents that may have been used in the Damascus attack, but access to the victims could be critical in proving the illicit use of chemical weapons.

Jessica Judd has put her exam results on the back-burner

World Championships 2013: Jessica Judd faces track test as tough as her A-levels

The world's best will examine recent strides made by Britain's middle-distance rookie

US scientists have made claims that low-doses of aspirin may stop growth of breast cancer

Low-dose aspirin may stop growth of breast cancer, study suggests

Small doses of aspirin may block the growth and spread of the most virulent strains of breast cancer, research has revealed.

Scientists are closer to building a biological computer after they managed to make a transistor from DNA and RNA

Biological computer that 'lives' inside the body comes one step closer as scientists make transistor out of DNA and RNA

Finding could lead to new biodegradable devices based on living cells that are capable of detecting changes in the environment

Standing up daily for an extra 90 minutes significantly lowers your chances of developing this serious metabolic disorder

Desk workers - stand up for your health: Millions may be making themselves ill by spending their working lives sitting down

If you are reading this sitting down then the chances are you are also increasing your risk of developing heart disease, blood clots on the brain and even certain types of cancer.

Levi-Montalcini: she attributed her success partly to ‘the habit of underestimating obstacles’

Rita Levi-Montalcini: Neuroscientist honoured for her work on cell development

Her experience of women’s subordinate role, she said, told her 'I was not cut out to be a wife'

Two American scientists win Nobel chemistry prize for understanding how the billions of cells within the human body communicate with the outside world

Robert Lefkowitz and Brian Kobilka won the prize for their pioneering roles in revealing the inner workings of an important family of protein molecules called the G-protein-coupled receptors

Rashid Ramzi has been named as one of six competitors from last summer's Beijing Games who have failed retrospective tests for
the blood-boosting hormone CERA

Delay awarding Olympic medals for eight years, says biochemist

Medals won at the London Olympics should not handed out until 2020 because it will be years before testers can be sure that the athletes did not take drugs, a leading sports scientist has suggested.

Chris Cooper: The biochemist says cheat may exploit medical breakthroughs

Delay awarding London 2012 Olympic medals for eight years, says biochemist

Cheating athletes 'could exploit medical advances by using drugs not yet detectable'

Performance boost: Canadian sprinter Ben Johnson

Run, Swim Throw, Cheat: The Science Behind Drugs In Sport, By Chris Cooper

A scientific review of genetic technology that can give tomorrow's athletes a helping hand

Breakthrough could lead to cure for chronic liver disease

Medical scientists have taken an important step towards understanding how the diseased liver can repair itself in a breakthrough that could eventually lead to the development of new treatments for chronic liver illnesses, which at present can only be cured by organ transplants.

Mild chemical agents are used for cases similar to the Tottenham riots

Government 'may sanction chemical incapacitant use on rioters', scientists fear

Leading neuroscientists believe that the UK Government may be about to sanction the development of chemical incapacitants for British police that would be banned in warfare under an international treaty on chemical weapons.

Digital 3D 'bins' have a place, but will twitchers be switchers?

A greenfinch looks on suspiciously from afar. The finest details of his green and yellow plumage and his eyes twitching from side to side are visible through the binoculars.

Empires of Food, By Evan DG Fraser and Andrew Rimas

Written in lively style by two American academics, this book questions the stability of the "food empire" on which humanity depends. We are complacent, they claim, due to four assumptions: there will be more "biochemical fixes" to maintain bumper crops; continuation of the "mild, sunny weather" of recent centuries; dependence on fragile monocultures; reliance on cheap fossil fuels to power freezers and synthesise fertilisers. "For a hundred years," the authors point out, "our industrial food empire has been astoundingly successful but all empires stumble and fall."

Baruch Blumberg

Further to yesterday's obituary of the Nobel Prize-winning scientist Baruch Blumberg, Tam Dalyell writes:

Last Night's TV: Women in Love/BBC4<br />Monroe/ITV1<br />A Farmer's Life For Me/BBC2

Rather a lot happened in the first part of BBC4's Women in Love – two drownings, at least one fight, a rape – though you wouldn't necessarily know it. The quiet, almost whimsical, nature of William Ivory's script allowed events to unfold gently, playing second fiddle to the internal dramas of the characters. It's a risky strategy: an adaptation of D H Lawrence's dual novels, The Rainbow and Women in Love, in which the predominant themes are sex and guilt could be a recipe for introspective torpor if ever there was one. And yet, to my mind, it all came off.

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'It was first time I had ever tasted chocolate. I kept a piece, and when Amsterdam was liberated, I gave it to the first Allied soldier I saw'

Bread from heaven

Dutch survivors thank RAF for World War II drop that saved millions
Britain will be 'run for the wealthy and powerful' if Tories retain power - Labour

How 'the Axe' helped Labour

UK will be 'run for the wealthy and powerful' if Tories retain power
Rare and exclusive video shows the horrific price paid by activists for challenging the rule of jihadist extremists in Syria

The price to be paid for challenging the rule of extremists

A revolution now 'consuming its own children'
Welcome to the world of Megagames

Welcome to the world of Megagames

300 players take part in Watch the Skies! board game in London
'Nymphomaniac' actress reveals what it was really like to star in one of the most explicit films ever

Charlotte Gainsbourg on 'Nymphomaniac'

Starring in one of the most explicit films ever
Robert Fisk in Abu Dhabi: The Emirates' out-of-sight migrant workers helping to build the dream projects of its rulers

Robert Fisk in Abu Dhabi

The Emirates' out-of-sight migrant workers helping to build the dream projects of its rulers
Vince Cable interview: Charging fees for employment tribunals was 'a very bad move'

Vince Cable exclusive interview

Charging fees for employment tribunals was 'a very bad move'
Iwan Rheon interview: Game of Thrones star returns to his Welsh roots to record debut album

Iwan Rheon is returning to his Welsh roots

Rheon is best known for his role as the Bastard of Bolton. It's gruelling playing a sadistic torturer, he tells Craig McLean, but it hasn't stopped him recording an album of Welsh psychedelia
Russell Brand's interview with Ed Miliband has got everyone talking about The Trews

Everyone is talking about The Trews

Russell Brand's 'true news' videos attract millions of viewers. But today's 'Milibrand' interview introduced his resolutely amateurish style to a whole new crowd
Morne Hardenberg interview: Cameraman for BBC's upcoming show Shark on filming the ocean's most dangerous predator

It's time for my close-up

Meet the man who films great whites for a living
Increasing numbers of homeless people in America keep their mobile phones on the streets

Homeless people keep mobile phones

A homeless person with a smartphone is a common sight in the US. And that's creating a network where the 'hobo' community can share information - and fight stigma - like never before
'Queer saint' Peter Watson left his mark on British culture by bankrolling artworld giants

'Queer saint' who bankrolled artworld giants

British culture owes a huge debt to Peter Watson, says Michael Prodger
Pushkin Prizes: Unusual exchange programme aims to bring countries together through culture

Pushkin Prizes brings countries together

Ten Scottish schoolchildren and their Russian peers attended a creative writing workshop in the Highlands this week
14 best kids' hoodies

14 best kids' hoodies

Don't get caught out by that wind on the beach. Zip them up in a lightweight top to see them through summer to autumn
Robert Fisk in Abu Dhabi: The acceptable face of the Emirates

The acceptable face of the Emirates

Has Abu Dhabi found a way to blend petrodollars with principles, asks Robert Fisk