


Researchers are questioning if ADHD should be seen as a disorder
It should, instead, be seen as a different way of being normal
IT IS “LIKE being inside a pinball machine with a hundred balls,” says Lucy. “Three inner monologues,” says Phillip. “Like several tracks playing at the same time,” says Sarah. This is how people with attention-deficit hyperactivity disorder (ADHD) describe what is going on in their heads at any given moment. With so many thoughts jostling for attention, it is a struggle to concentrate. Appointments fly by. Relationships founder. Feelings of inadequacy—alongside anxiety and depression—start to creep in.

Airships may finally prove useful for transporting cargo
The problem of variable buoyancy is being overcome

Space may be worse for humans than thought
Why going into orbit sends cells haywire

Heart-cockle shells may work like fibre-optic cables
Inbuilt lenses transmit sunlight to symbiotic algae
Winemakers are building grape-picking robots
Automating this delicate task is harder than it seems
Why Oriental hornets can’t get drunk
They can guzzle extreme amounts for their size, without suffering ill effects
The study of ancient DNA is helping to solve modern crimes
Such techniques have helped secure two convictions this year