Skip to content
Internet Fact Database
Menu and widgets
There is an optical illusion, called “hollow mask”, that can detect schizophrenia.
The U.S. Navy has 75 trained dolphins to detect enemy swimmers and underwater mines.
Bees can be trained to detect bombs.
Elephants can detect rain 150 miles away.
Horseshoe crab blood is worth US$15,000/L, due to its ability to detect bacteria.
Pigeons can be trained to detect breast cancer in mammogram scans.
Sniffer bees and wasps have been trained to detect illegal drugs and explosive materials, and their ability to do so rivals sniffer dogs.
A human eye can detect a candle flame 1.7 miles (2.76 km) away.
There is a US$1000 sports bra which uses heat sensors to detect signs of breast cancer up to 6 years earlier than a mammogram can.
A male emperor moth can detect and find a female of his species a mile away.
Wolves are not particularly fast, with a top speed of about 45km/h. They instead rely on its hearing and sense of smell to detect prey. They have remarkable powers of endurance and are known to follow their target all day and night if necessary.