Why can't we replace sniffer dogs with electronic noses?

Compared to other senses, our sense of smell is often overlooked. Our noses can alert us to risks such as rotten food, gas leaks and burning toast. But for advanced tasks such as detecting bombs or contraband, or diseases ...

Light sensors detect larval pests munching on date palms

A red beetle, classed as the most destructive date palm pest, causes millions of dollars of annual economic losses worldwide. Now, a small team in Saudi Arabia has found a cost-effective approach that uses laser pulses to ...

page 1 from 3