World Science

* Monkeys using perfume? Study investigates:
Some wild spider monkeys dab on a chewed-leaf paste that may act as a sort of cologne, researchers say.

* Red wine ingredient found to boost endurance:
A substance earlier linked to long life in animals, also "re-programs" muscle to double endurance, a mouse study indicates.

* Neanderthal DNA partially sequenced:
Scientists have preliminarily mapped out when the stocky human cousins diverged from our species.

* 'Dark energy' an age-old phenomenon, study finds:
A weird force pushing our universe outward has existed since near the beginning, astrophysicists report

* Exotic new particles reported found:
Scientists have reported discovering two new subatomic particles, rare but important relatives of the commonÂplace proton and neutron.