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Tag: population

‘How many assumptions have been made?’ There’s a lot we don’t know about echidnas

Australia’s most widespread mammal is one of our least understood. Now, pioneering research is unlocking the enigma of the echidna.

Groundbreaking study calculates Australia’s shark populations for the first time

For the first time ever Australian scientists have calculated great white shark populations off Australia’s eastern and south-western coast.

New birth control for roos

A contraceptive implant similar to those commonly used by women could help control Australia’s kangaroo numbers.

Science & Environment

Population: How much is too much?

The human race keeps multiplying and environmental impact will continue to grow as a result, writes Peter Meredith.