If you’re a lefty and have ever felt excluded from the right-handed club as you write a letter, throw a ball, or wield a ...

A new study suggests the answer may trace back to two major shifts in human evolution: walking upright and growing bigger ...

The human hand is an evolutionary marvel. While other primates rely on their hands for locomotion and basic grasping, ours ...

Humans are overwhelmingly right-handed, but scientists have long struggled to explain why no other primate species shows ...

Of all the monkeys and apes scientists have studied, no species shows a population-level hand preference. Individual primates ...

Page lesson plan / 2-page mini-lesson - Right-handedness - Handouts, online activities, speed reading, dictation, mp3... current events.

For decades, scientists have explored this puzzle from every angle – genetics, brain structure, child development – without ...

Pick up a pen. Open a jar. Wave goodbye. Chances are, you just used your right hand without thinking about it. So did roughly ...