Toxic caterpillars spark Dutch health scare

Millions of tiny caterpillars that shoot toxic hairs have triggered a health scare in the Netherlands, with hundreds of people seeking medical help for symptoms including severe skin irritation and asthma attacks.

A user's guide to self-driving cars

You may remember the cute Google self-driving car. In 2014, the tech giant announced their brand-new prototype of what the future of transportation might one day look like. If you wish you could drive one today, you are out ...

Artificial intelligence must know when to ask for human help

Artificial intelligence systems are powerful tools for businesses and governments to process data and respond to changing situations, whether on the stock market or on a battlefield. But there are still some things AI isn't ...

Cholera bacteria stab and poison enemies at predictable rates

The enemies were thrown together, so the killing began. Brandishing harpoon-like appendages covered in poison, two armies of cholera bacteria stabbed each other, rupturing victims like water balloons. Scientists at the Georgia ...

When young bluebirds don't leave the nest

For a young male western bluebird, it might be better to live with one's parents as a helper for a year before starting a nest of one's own, according to a new study in Behavioral Ecology.

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Helpfulness

In social psychology, the everyday concept of helpfulness is really technically defined as (1) the property of providing useful assistance, and (2) friendliness evidenced by a kindly and helpful disposition [syn: kindliness].

For many years, social psychologists have been searching for answers to these questions:

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