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what is data roaming

Data roaming enables you to connect your smartphone to the internet when you are in other countries. ... read more

poisonous plants

They may look harmless, but some species of flora can be fatal. It takes four castor seeds to kill a human, but 80 to kill a duck. ... read more

how to make a soap powered boat

Propel a paper boat using nothing more than washing-up liquid! ... read more

teeth and venom

A fearsome part of every snake is its teeth. Here’s the lowdown on those serpentine pearly whites… ... read more

people who study physics

Physics is about how things work. People who study physics are called physicists. They learn about light and sound. They learn about electricity and magnetism. They learn about force and energy. They learn about how everything works, from the tiniest atom to the vastness of space. Physicists study man... read more