F or a tense, 90-minute two-hander, Dakar 2000 has an awful lot on its mind. The play is a thriller about a Peace Corps volunteer caught up in a State Department official’s sche ...

And, despite being described by Prof Glees as "unstable", the owner of what was once called Twitter has an unnerving business sense for capitalising on weakness at the exact right time.

Beryllium-10 and Earth’s Geological Clues Beryllium-10, a rare radioactive isotope formed when cosmic rays collide with particles in Earth’s atmosphere, offers important clues about the planet’s ...