New breakthrough to boost solar cells` efficiency by more than 30 %

Last Updated: Monday, January 6, 2014, 18:27

Researchers have found an easy way to modify the molecular structure of a polymer commonly used in solar cells, which could lead to more than 30 percent increase in solar cell efficiency.

Early humans looked after their nutrition and security

Last Updated: Wednesday, December 11, 2013, 14:48

Researchers have claimed 300,000 years before the emergence of anatomically modern humans, prehistoric people chose to predominantly live on islands in the flood plains of major rivers.

1.8m-year-old skull suggests early man was single species

Last Updated: Friday, October 18, 2013, 17:57

A well-preserved adult male skull, dating back to 1.8 million years ago, suggests that early man was a single species with individuals that could look quite different from each other.

Bird study sheds light on human speech-language development

Last Updated: Friday, October 18, 2013, 12:36

A new study has shown for the first time how two tiny molecules regulate a gene implicated in speech and language impairments as well as autism disorders.

`Hobbit` sized Homo species had face like humans

Last Updated: Wednesday, July 24, 2013, 15:03

Formally called Homo floresiensis, the species of three-foot-tall early humans likely vanished from Flores, and history, about 12,000 years ago.

Making stone tools helped shape human hands

Last Updated: Friday, April 12, 2013, 12:21

The way our hands look today has been shaped by our behaviour over millions of years, say scientists.

Last Neanderthals and modern humans did not coexist in Iberia

Last Updated: Tuesday, February 5, 2013, 11:47

An international study has questioned a theory, which held that the last Neanderthals persisted in southern Iberia at the same time that modern humans advanced in the northern part of the peninsula.

Humans who lived 70000 years ago in SA were first techies

Last Updated: Thursday, December 6, 2012, 22:29

Researchers have taken a step closer to firmly establishing Africa, and especially South Africa, as the primary centre for the early development of human behaviour.