UV light

New DNA sunscreen provides better skin protection

New DNA sunscreen provides better skin protection

The new sunscreen is made up of thin and optically transparent crystalline DNA films that have been irradiated with UV light. The more it gets exposed to UV light, the better the film can absorb it, the researchers found.

Jul 27, 2017, 16:19 PM IST
27-year-old marine engineer lives like a 'vampire' — Find out why!

27-year-old marine engineer lives like a 'vampire' — Find out why!

Sam Phelps suffers from a rare incurable condition, known as erythropoietic protoporphyria (EPP), that causes his skin to burn when exposed to UV light.

Jul 04, 2017, 17:18 PM IST

Scientists create $100 smartphone-powered 3D printer

A team of scientists in Taiwan has created a $100 smartphone-powered 3D printer that uses visible light emitted from a phone to cure the resin instead of the traditional method of using UV light or lasers, a media report said.

Dec 31, 2015, 15:43 PM IST

'Healthier' sunscreen that does not penetrate skin developed

Researchers have used nanoparticles to develop a sunscreen that does not penetrate the skin, eliminating serious health concerns associated with commercial sunblocks.

Sep 30, 2015, 19:07 PM IST

Hong Kong students develop germ-free door handle

Two high school students in Hong Kong have built a door handle that kills germs to prevent the spread of disease through hand contact.

Jun 24, 2015, 18:59 PM IST

First-ever photo of light captured behaving as both wave and particle

Researchers have recently captured the first ever photograph of light behaving as both a wave and a particle.

Mar 03, 2015, 12:18 PM IST

UV rays may damage skin hours after sun exposure

Would we need a sunscreen for the night? Yes, we might because much of the damage that ultraviolet radiation (UV) does to skin occurs hours after sun exposure, say researchers, including one of Indian-origin.

Feb 20, 2015, 13:43 PM IST

New ultra-sensitive sensor for improved fire safety

A new ultra-violet light detector which is 10,000 times more sensitive to UV light than a traditional zinc oxide detector could enhance fire safety in buildings, researchers report.

Feb 19, 2015, 12:29 PM IST

Sunshine may control obesity, diabetes: Study

Exposure to moderate amounts of sunshine may slow the development of obesity and diabetes, a new study suggests.

Oct 27, 2014, 19:38 PM IST

Study suggests faint galaxies illuminated early universe

A new study has found that the light from tiny galaxies more than 13 billion years ago played a larger role than previously thought in creating the conditions in the universe as we know it today.

Jul 09, 2014, 14:33 PM IST

Sunscreen alone can`t protect from skin cancer

Sunscreen alone cannot be relied upon to prevent malignant melanoma, the most deadly form of skin cancer, a new study has found.

Jun 16, 2014, 14:20 PM IST

Universe reached peak heat 11 billion years ago

Astronomers have identified the point where the Universe moved from heating to cooling - 11 billion years ago, when the temperature was an astonishing 13,000 degrees Celsius, hotter than the surface of the Sun.

May 25, 2014, 16:51 PM IST

5 health benefits of Broccoli!

Broccoli is a nutritional wonder and has a wide range of therapeutic properties associated with it. It is loaded with super-nutrients that promotes the overall health of your body.

Feb 24, 2014, 23:34 PM IST

Outdoor workers risk aggressive skin cancer

Those individuals who work outdoors with resultant sun exposure are at increased risk for non-melanoma skin cancers.

Nov 13, 2012, 17:20 PM IST

Vitamin D supplements ‘as good as` drugs at reducing BP

Vitamin D supplements could be as effective as some of the prescribed pill, when it comes to lowering blood pressure in patients diagnosed with hypertension, researchers say.

Apr 26, 2012, 15:23 PM IST

Why scorpions glow bright green under UV light

Biologists have finally unravelled why scorpions evolved to glow bright green under ultraviolet light.

Jan 01, 2012, 14:06 PM IST

‘Caffeine inhibits sunlight-induced skin cancer’

Caffeine guards against certain skin cancers at the molecular level by inhibiting a protein enzyme in the skin.

Aug 16, 2011, 15:15 PM IST