When a baby babbles and their parents respond, these back-and-forth exchanges are more than adorable-if-incoherent chatter—they help to build a baby's emerging language skills. But it turns out this ...

Type IIb fast-twitch myofibers, known for their rapid contraction speed, are plentiful in small mammals but have largely diminished in humans. Researchers at the University of Tsukuba have discovered ...