Every day 210 people die from heart disease in SA. SPONSORED: September is National Heart Awareness Month in South Africa. World Heart Day is on 29 September, and with 210 people dying from heart disease every day, thereâs every reason why we should take this seriously. In fact, after HIV/Aids, heart disease and stroke are the second biggest killers in South Africa .
One of the earliest defining human traits, bipedalism -- the ability to walk on two legs -- evolved over 4 million years ago. Other important human characteristics -- such as a large and complex brain, the ability to make and use tools, and the capacity for language -- developed more recently. Many advanced traits -- including complex symbolic expression, art, and elaborate cultural diversity -- emerged mainly during the past 100,000 years.
Spears show early human species was sharper than we thought. 1  Evidence of hunting with spears 500,000 years ago suggests common ancestor of humans and Neanderthals was 'very bright'. 2  Evidence of hunting with spears 500,000 years ago suggests common ancestor of humans and Neanderthals was 'very bright'. Cutting edge technology: early humans were lashing stone tips to wooden handles to make spears about 200,000 years earlier than we thought, research suggests. Photograph: Jayne Wilkins The ancestors of humans were hunting with stone-tipped spears 500,000 years ago, according to a new study â around 200,000 years earlier than previously thought. This means that the technology must have been developed by an earlier species of human, the last common ancestor of both modern humans and Neanderthals.