The burning issue of population control

The increasing human population is putting large amounts of pressure on our natural resources and is contributing to climate change, leading many people to call for increased population control—especially for poorer communities. ...

Golden Ratio offers unity of science

It is said to represent a "cosmic constant" found in the curvature of elephant tusks, the shape of a kudu's horn, the destructive beauty of Hurricane Katrina, and in the astronomical grandeur of how planets, moons, asteroids ...

Ledumahadi mafube—South Africa's new jurassic giant

A new species of a giant dinosaur has been found in South Africa's Free State Province. The plant-eating dinosaur, named Ledumahadi mafube, weighed 12 tonnes and stood about four metres high at the hips. Ledumahadi mafube ...

Are ecobricks the answer to plastic pollution?

The use of single-use plastics in households has become a pariah. Many people are trying to reduce the use of single-use plastics or to recycle them. One such innovation is creating "ecobricks"—filling empty two-litre plastic ...

Earliest evidence of flip flops in the Middle Stone Age

In a twist in the ancient human story, emerging evidence suggests that we may have worn shoes as early as the Middle Stone Age (75,000—150,000 years ago). This could mean that our species had complex cognitive and practical ...

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