Today, many people put their personal and private information online (address, phone number, and credit card number) to facilitate everyday activities, such as banking, shopping, and socializing. Is this a positive or negative development?

More and more people no longer read newspaper or watch TV programs to get news. They get news about the world through the internet. Is this a positive or negative development?

Being cautious about false information online

黑与白是社会的两极，也可以说是善恶的两极，而无处不在又无可逃离的灰，才是社会或者说生命的真相。这也直指电影最核心主题——命运的荒诞，生命的虚无，众生皆苦。

A recent survey shows that in many countries across the world people are generally living longer. But an increased life expectancy has many implications for the aging individuals and for the society as a whole. What are the possible effects of a longer life expectancy on individuals and the society?

Learn more about touch. Videos available.

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Gentle touch is vital for us humans. It creates the first contact with the world for newborns, giving us a sense of security and belonging. Touch influences our immune system, and on our feelings for our fellow human beings.

It's the first sensation we feel, our most primal connection to others. Can implants and electrical signaling replicate the experience of touch? Research teams are exploring the possibilities—with startling results.

As scientists help an industrial worker regain his sense of touch through a prosthetic arm, we learn about the mechanics of human touch and why it’s so essential to our lives.