Related topics: test

Which chemicals are hazardous to reproduction?

Regulatory authorities around the world can in future instruct manufacturers of chemicals and drugs to check their products for harmful effects on reproduction by means of a new test with molluscs. After over 10 years of ...

Kiwi birds younger than originally thought, research shows

New Zealand's kiwi may be one of the world's oddest birds – flightless, nocturnal, an enigmatic dirt digger with nostrils at the end of its long bill. But the national symbol also has a lot to tell the world about evolution ...

Study unlocks why decrepit schools mean poor test scores

Social scientists have known for several years that kids enrolled in run-down schools miss more classes and have lower test scores than students at well-maintained schools. But they haven't been able to pin down why.

Aerospace firm successfully tests solar-powered aircraft

A test pilot successfully flew a solar-powered prototype aircraft on Friday for a company that envisions manufacturing a fleet of drones to provide aerial internet service for an estimated 4 billion people worldwide.

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