SciTech

Human ancestors had teeth chemistry like giraffes

Photo by Brett Eloff, courtesy Lee Berger and the University of the Witwatersrand Ancient human ancestors ate plants and had tooth chemistry like giraffes, scientists have discovered. An elderly female...

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Archaea live long and slowly

T-Rex; Credit: © Earth Times In the middle of the biggest ocean, deep below the busy ecosystems, lies the oldest possible life-form on this planet. It lives under huge pressures,...

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Super-eruptions may only take hundreds of years to form

This three-dimensional perspective view of Long Valley, California was created from data taken by the Spaceborne Imaging Radar-C/X-band Synthetic Aperture Radar on board the space shuttle Endeavour; Credit: NASA/JPL Huge...

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Sex determination in birds

Portrait of a female Kentish plover; Credit: Weiting Liu Female development in birds could be triggered by a "Z dosage" system or linked to the W chromosome. A lucky find...

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Earthquakes are always big news - or are they?

Earthquake damage and rescue workers in Turkey; Credit: © Shutterstock Shortly after 4.00am on Sunday 20th May, an earthquake of magnitude 6.0 struck the Emilia-Romagna region of the Po valley...

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Placentals ruled before the Cretaceous

Brazilian porcupine image; Credit: © Shutterstock Above image: Coendu prehensilis is a Brazilian porcupine, but his placental ancestry, stretches way back to an ancestor who took advantage of vacant niches,with...

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When dinosaurs ruled the Pampas

This early Jurassic ceratosaurid dinosaur gave rise to the basic abelosaurid found recently in Patagonia - Dinosaur image; Credit: © Shutterstock Large bizarre theropod dinosaurs ruled Gondwanaland during the Cretaceous....

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