Stone tools from a cave on South Africa’s coast speak of life at the end of the Ice Age

By Sara Watson, Assistant Professor, Indiana State University

The Earth of the last Ice Age (about 26,000 to 19,000 years ago) was very different from today’s world.

In the northern hemisphere, ice sheets up to 8 kilometres tall covered much of Europe, Asia and North America, while much of the southern hemisphere became drier as water was drawn into the northern glaciers.

As more and more water was transformed into ice, global sea levels dropped as much as 125 metres from where they are now, exposing land that had been under the ocean.

In southernmost Africa, receding coastlines exposed an area of the continental shelf…

Read complete article

~	Liam McIlvanney is joining us for a seriously laid back discussion about crime fiction, academia and a few other matters – come along

~	What UK involvement in Iran could look like – and the political questions it raises

~	Trump’s unpredictable approach to Iran could seriously backfire

~	Israel’s attacks have exposed weaknesses in Iran, but it’s in little danger of collapsing

~	Why Israel — and potentially the U.S. — are sure to encounter the limits of air power in Iran

~	Indigenous engagement is essential for small modular nuclear reactor projects

~	Jaws helped spur a fishing frenzy – so how have the world’s sharks fared since the 1975 release?

~	Israel’s conflict with Iran escalates as Trump considers US involvement

~	The great coral reef relocation

~	Information overload: smartphones are exposing children to an avalanche of irrelevance