London, Oct 30 : English actor Sir Michael Caine has been chosen to co-present this year’s Nobel Peace Prize Concert with actress Scarlett Johansson, the organisers have revealed.

Caine, 75, had previously appeared with Johansson on screen in 2006 film The Prestige.

“Caine has appeared in over 100 films and been honoured with numerous awards,” the BBC quoted the concert''s organisers as saying in a statement.

The event, which will honour this year''s Nobel Peace Prize recipient Martti Ahtisaari, will take place in Oslo, Norway on December 11 with Diana Ross headlining it.

London, Oct 30 : Attractive couples hand their good looks down to their daughters, but have little impact on whether their sons are handsome, according to a new study.

University of St Andrews boffins have found that while both parents influence the attractiveness of their daughters, male attractiveness is not inherited.

In a study of family photographs, psychologists Professor David Perrett and Elisabeth Cornwell – now at the University of Colorado – found that while both father and mother can influence the attractiveness of their daughters, the couple''s good looks do not necessarily contribute to the attractiveness of their son as an adult.

London, Oct 30 : A research by scientists from the US and UK has suggested that far from being solitary hunters, sabretooth tigers were social animals who hunted in packs, sharing the spoils among themselves.

According to a report by BBC News, the abundance of S. fatalis (scientific name for sabretooth tigers) fossils in Californian tar seeps suggests they were packs of scavengers, lured in by the distress calls of trapped prey.

The research, carried out in Africa, found that audio playbacks of prey sounds attract social carnivores, but not solitary hunters.

This suggests S. fatalis was social too, according to the Royal Society journal study.

London, October 30 : Men with low libido may soon be able to derive benefits from testosterone therapy, as many international organisations have updated their guidelines regarding the use of supplements of this hormone.

The International Association for the Study of the Aging Male, the International Society of Andrology, the European Association of Urology, and the American Society of Andrology did so taking into account recent findings that testosterone supplements can be helpful in treating conditions linked with male ageing like tiredness, depression, and lack of libido.