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No serious side effects from HPV vaccine

A study of nearly a million girls in Sweden and Denmark eradicates anxieties about mass vaccinations against the virus that causes cervical cancer.

Hormone removes the pleasure of smoking

A peptide prevents the brain of a smoker from registering satisfaction from a cigarette.

Virus link ruled out in breast cancer and brain tumours

Viruses cause some 10 to 15 percent of all human cancers, but breast cancer and the most common malignant brain tumour – glioblastoma – are not among them.

Adult memory a bellwether of the ageing brain

The memory you have as an adult can help predict how well your brain will work 20 years later.

Dogs value shared time above strength of love

It’s not the intensity of your love, but the amount of time you spend with your dog that determines how devoted it becomes to you, according to a new study of the canine view of the human-dog relationship.

Ancient fish face bears signs of modern jaw

A smiling fish that lived in China 419 million years ago revolutionises our conception of the origin of humans and most other vertebrate animals.

Care urged in labelling poor math learners

Children’s problems in learning maths should be taken seriously. But nobody gains from being labelled as being "bad at maths" at a tender age.

Ancient marine lizard had telltale fish tail

The discovery of a fossil tail fin of the extinct marine reptile prognathodon is revolutionizing perceptions of these giant predators, which dominated the oceans in the Cretaceous Period.

Pedestrians as risky as cars for cyclists

Pedestrians are as likely as cars to cause bicycle accidents. Swedish researchers discovered the problem by mounting cameras and sensors on bikes being ridden in Gothenburg.

Our right to privacy shouldn’t be marketable

We might be irritated by the surveillance cameras in the local supermarket but tolerate the way our phones track our every move. Maintaining the right of privacy cannot be relegated to the individual or turned into a personal responsibility, according to Swedish researchers.