LivingWhen are divers' eyesight distorted?

When are divers' eyesight distorted?

Divers are sometimes victims of an annoying optical effect. This, which is similar to the visual distortion produced by air in contact with hot asphalt, is due to haloclines, oceanic areas in which salinity changes sharply according to depth . The phenomenon appears frequently in the Atlantic Ocean, where the concentration of salt decreases rapidly to a depth of 1,000 meters, and in the highest latitudes of the North Pacific.

Slaves and Disabled: Forced Medical Test Volunteers

The main problem to carry out medical research is to have willing volunteers for it. And if they come out for free, much better. This is the story of unethical behavior in medical research.

Invest in the air? The best option to protect your health this season

Breathing cleaner air in any room in your home or office is ideal. TruSens air purifiers are effective at removing smoke, dust, viruses and bacteria.

VITIS: how to boost health in 60 seconds

Using a cetylpyridinium chloride (CPC) mouthwash is a highly effective protective measure that helps us protect our health.

Women are better at doing crosswords

A new study has revealed that women have a 'small but robust' advantage over time.

A coffee in a disposable cup can have more than 1,500 microplastics

A study shows that we can ingest between 37,000 and 90,000 microplastics a year using this type of disposable cup.