Zebra finches who did not sing every day quickly lose their vocal prowess, a new study finds. The results could potentially shed light on vocal rehabilitation for humans, too.
The health organization s director-general says needed humanitarian aid isn t possible without a cease-fire but the resolution provides a platform to build from.
The eldest grandchild of Nelson Mandela had a busy week — speaking at the climate summit COP28 about the need to aid the Global South and throwing a party to mark the 10th anniversary of his passing.
A kind of transparent frog achieves near invisibility by hiding its red blood cells during the day, scientists found. "I had never seen anything like that," researcher Carlos Taboada says.