Liam Shaw is a Wellcome-funded research fellow at the MacLean Lab in Oxford, researching bacterial genetics. He is writing a book about the history of antibiotics.
The pain of toothache arrives long after the damage has been done. The process begins when bacteria in the mouth turn sugars from our food into acid, which etches the tooth’s enamel, allowing the bacteria to penetrate further. Only when they hit the nerve bundles at the tooth’s pulpy core does the sufferer become aware – all too painfully aware – of their...
Robert Schumann’s teenage ambitions of virtuosity were undone by the onset of debilitating pain in his right hand. ‘It came to such a point that whenever I had to move my fourth finger, my whole body would twist convulsively,’ he wrote to a friend. Trying to make his fingers stronger he experimented with mechanical devices that probably banjaxed them irreparably. A new paper in Science Robotics reports a device that Schumann would have jumped at the chance to try: a robotic exoskeleton for the hand.
While normal life must compete with a whole ecosystem, a mirror bacterium might behave like the only real thing in a world of phantom reflections. Normal organisms are kept in check by an ecological balance between their death and growth rate. But without any predators, mirror bacteria that escaped a laboratory might grow exponentially, even with a lower growth rate than normal bacteria.
‘Great Auk’ by John James Audubon (1836).
The great auk, or garefowl, was a flightless North Atlantic seabird and it tasted delicious, perhaps a little like duck with a hint of seaweed. It’s hard to be sure because by the 1860s the great auk was extinct. It had once been abundant: in the 16th century, a breeding ground off Newfoundland – known as Funk Island for the...
At some point in the past, humans and other apes lost their tails. Research recently published in Nature proposes a mechanism to explain how.
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