How Do Compasses Tell Which Way Is North at the South Pole? By Chia-Yi Hou As compasses draw closer to the magnetic North and South Poles, they become less reliable.
It's Safe to Follow the Vaccine Schedule for Babies. Here's Why. By Chia-Yi Hou Parents' fears about vaccine safety may prompt them to eliminate or delay vaccinations, but doing this can jeopardize an infant's health.
Why Do Chimpanzees Throw Poop? By Chia-Yi Hou Going to the zoo can be a great adventure, especially if you find poop hurtling in your direction.
