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Analysis and Comment (8)

When approaching a vertical surface, honey bees calibrate their speed to land safely. When approaching a vertical surface, honey bees calibrate their speed to land safely. photophilde

How to land safely on a vertical surface, bee-style

Landing is arguably the most nerve-racking element of any flight. To execute a safe landing, a pilot needs to know the plane’s speed and its distance from the landing surface. The pilot’s challenge is…
With 16 photoreceptors to humans' three, mantis shrimp see the bigger picture. With 16 photoreceptors to humans' three, mantis shrimp see the bigger picture. DiverKen

Mantis shrimp have the world’s best eyes – but why?

As humans, we experience an amazing world of colour, but what can other animals see? Some see much more than us, but how they use this vision is largely unknown. We see what we see because our eyes have…
Say that again? Hearing aids as fashion? Say that again? Hearing aids as fashion? Flickr/Dilliweed

Make hearing aids available on the high street to fight stigma

More than one in ten middle-aged people has difficulty following speech in noisy environments, according to an analysis of 165,000 people in the UK Biobank, a project following the health of half a million…
Opsin genes, one of the building blocks of vision, first emerged roughly 700 million years ago. Opsin genes, one of the building blocks of vision, first emerged roughly 700 million years ago. ~Dezz~

Eye to the past: vision may be older than previously thought

The eye is perhaps one of the best examples of Darwinian evolution. Incremental steps driven by natural selection have led to the evolution of this complex organ from its origin as a simple light-sensitive…
This is how a person without colour blindness would see these coloured test tubes. This is how a person without colour blindness would see these coloured test tubes. Bigstockphoto / Craig Colvin

Explainer: what is colour blindness?

Here are six test tubes filled with coloured dyes. How many different colours do you see? Most people say six, but some people would say only two or three. There are even some (very rare) people who see…
Could your brain be anticipating what’s there before you even turn your eyes? Could your brain be anticipating what’s there before you even turn your eyes? Joe Fakih Gomez Photography

Out of sight, but still in mind: the mysteries of peripheral vision

As you read this article your eyes will move so the words fall on the central part of your vision. This region is called the fovea and it has excellent resolution when compared to your peripheral vision…
While some cases of blindness are treatable, there’s a group of patients for whom the development of a bionic eye is the only possible treatment. While some cases of blindness are treatable, there’s a group of patients for whom the development of a bionic eye is the only possible treatment. Jeremy Kunz

We have the technology – progress in the race to the bionic eye

The path to development of the bionic eye is blindingly clear but progress is slow. There’s been an explosion of research into retinal and brain-based bionic eyes and the race to develop one has started…

Research Briefs (10)

‘Blind’ cells sense light

Melanopsin pigment in the eye could be more light sensitive than the pigment that allows for night vision, rhodopsin. A two-year…