Africa and Australia and in the Caribbean
Sawfishes are a group of shark-like rays which haunt the muddy shallows of tropical bays, rivers and lakes.
When a suitable prey swims by, the normally lethargic sawfish will spring from the bottom and slash at it furiously with its saw. This generally stuns or injures the prey sufficiently for the sawfish to devour it without much resistance.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.
Confused Apple customers are finding coins in their MacBooks.
High levels of iron help prevent hearing loss, a study has claimed.
A software engineer has constructed a fingernail-sized engine made of paper and it totally works!
Conspiracy theorists claim that there is a mysterious alien based pyramid in the Antarctic.
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