Rory Collins: Blood, sweat and tears

Alok Jha meets the scientist who wants to recruit half a million people for a controversial medical project.

Panel to expose fraudulent medical research

Panel set up to combat medical research fraud calls on universities and NHS to view such misconduct as seriously as financial fraud.

Creator of pill on science, sex – and anniversaries

· Chemist pooh-poohs 50th birthday celebrations · Reports of wonder drug also come in for criticism

Teach more personal finance, schools urged

Parents would prefer their children to be taught how to handle their finances rather than some of the more traditional subjects, according to new research.

The ideas interview: Aubrey de Grey

John Sutherland meets a scientist who is confident we are approaching 'escape velocity' for defying ageing.

Inquiry recommends teacher training on self-harm

Colleges and universities must educate teachers on mental health issues to end the stigma surrounding troubled young people who harm themselves, report warns.

Throw away your Omega 3!

Sarah Boseley: Another wonder supplement bites the dust.

ES Anderson

Obituary: Brilliant bacteriologist who foresaw the public health dangers of genetic resistance to antibiotics.

Sweet sorrow

What snacks will you most miss when junk food is phased out?