'iPal' robot companion for China's lonely children

It speaks two languages, gives math lessons, tells jokes and interacts with children through the tablet screen in its chest—China's latest robot is the babysitter every parent needs.

New device for quick and accurate detection of lead

A research team from the Department of Chemistry of Hong Kong Baptist University (HKBU) has invented a portable device for one-stop detection of lead concentration in drinking water. The DNA-based device, which works together ...

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