Old-world monkeys had lost more genes than new-world monkeys, which in turn had lost substantially more than the mouse.

ECONOMIST: Smell, vision and genes: More colour, less odour | The

Having substitute mothers for orphaned baby monkeys has been used in other parts of the world and in Colombia in recent years.

NPR: Monkey-Mothering 24-Hour Chore For Colombian Woman

In tests on macaque monkeys, the vaccine produces potent antibodies that disable a variety of HIV strains from around the world, something previous vaccines have generally failed to do.

FORBES: Outsmarting AIDS