Sci/Tech

Researchers in the United States have found that an existing cancer drug reverses the symptoms of Alzheimer's disease in mice, writes Channel 4 News Science Editor Tom Clarke.

Unhealthy food is being targeted at children via social media and web games by firms avoiding strict TV rules, says the Children's Food Campaign, which calls for action from the advertising watchdog.

They don't know how old it is, or how it got here, but scientists are delighted to get their hands on a lump of rock with a very special pedigree.

How will the UK keep the lights on over the next 50 years, at the same time as meeting renewables targets? Jim Skea, research director at the UK Energy Research Centre, looks at the options.

Unlike their predecessors, shaking up the UK's energy sector isn't something today's politicians can ignore. It's time for action, writes Channel 4 News Science Editor Tom Clarke.

Computer hacking and autism are increasingly mentioned in the same breath thanks to several high profile court cases but Channel 4 News asks if autism can really be used as a defence to online crime?

With pharmaceuticals giant AstraZeneca announcing it is axing 7,300 jobs globally, Channel 4 News asks if we are are witnessing the demise of the "big pharma" age.

A crazy bubble price, or a sensational bargain? Channel 4 News Business Producer Ben King assesses rumours Facebook is about to launch on the public stock market, valued at $100bn.

Dr Anna Middleton, genetics researcher at the Wellcome Trust Sanger Institute, on why we need to talk about what your genes mean and how much people want to know.

Scientists are trying to gauge attitudes to genome testing with the biggest ever ethics survey. But would you want to know your risk of getting certain conditions? Channel 4 News looks at the issues.