News articles tagged with 'vision'
Scientists invent long-lasting, near infrared-emitting material
— 21 Nov 2011 19:25 | TechnologyMaterials that emit visible light after being exposed to sunlight are commonplace and can be found in everything from emergency signage to glow-in-the-dark stickers. But until now,…
Thyroid affects colour vision
— 30 Mar 2011 17:16 | HealthWhat part does the thyroid gland have in vision? Thyroid hormone is crucially involved in controlling which visual pigment is produced in the cones. Previously, it was assumed that…
Innovative technique gives vision researchers insight into how people recognise faces
— 17 Mar 2011 20:39 | HealthIt is no surprise to scientists that the largest social network on the web is called Facebook. Identifying people by their face is fundamental to our social interactions, one of the…
Not so eagle eyed: New study reveals why birds collide with man-made objects
— 17 Mar 2011 17:59 | EnvironmentFrom office block windows to power lines and wind turbines, many species of bird are prone to colliding with large man-made objects, many of which appear difficult not to notice to…
Advanced macular degeneration is associated with an increased risk
— 10 Feb 2011 18:10 | HealthOlder people with late-stage, age-related macular degeneration (AMD) appear to be at increased risk of brain haemorrhage (bleeding stroke), but not stroke caused by brain infarction…
Are sharks colour blind?
— 18 Jan 2011 17:32 | BiologySharks are unable to distinguish colours, even though their close relatives rays and chimaeras have some colour vision, according to new research by Dr Nathan Scott Hart and colleagues…
Bottle rockets can cause serious eye injuries in children
— 11 Jan 2011 16:38 | HealthBottle rockets can cause significant eye injuries in children, often leading to permanent loss of vision, according to a report posted online today that will appear in the May print…
When it comes to selecting a mate, the eyes have it: Queen's University study
— 14 Dec 2010 21:03 | BiologyFor the first time ever, scientists have found a difference in the way males and females of the same species of vertebrate see things - and that sexes likely use that difference to…
Melanopsin looks on the bright side of life
— 8 Dec 2010 18:17 | HealthBetter known as the light sensor that sets the body's biological clock, melanopsin also plays an important role in vision: Via its messengers-so-called melanopsin-expressing retinal…
Brain's visual circuits do error correction on the fly
— 8 Dec 2010 16:56 | HealthThe brain's visual neurones continually develop predictions of what they will perceive and then correct erroneous assumptions as they take in additional external information, according…