Add Yahoo as a preferred source to see more of our stories on Google. If there is one thing '90s kids were taught, it is that the Earth was always five plastic straws away from complete collapse. I ...

A free daily email with the biggest news stories of the day – and the best features from TheWeek.com Contact me with news and offers from other Future brands Receive email from us on behalf of our ...

Join 350,000+ subscribers and keep yourself informed with a selection of The Week’s most interesting, enlightening and entertaining stories - plus daily puzzles. From our morning news briefing to a ...

Cartoon of the Earth with cutaway showing the mantle and inner and outer core. Magnetic field lines produced by the geodynamo extend into space and interact with the solar wind. The iron-rich core at ...

Cartoon cross section of the Earth showing the mantle, outer core and inner core. Convection in the outer core produces Earth's geomagnetic field. The properties of Earth’s iron-rich core are key to ...