Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...

Most travellers think they know their passports well, but UV light reveals stunning hidden designs and secret security ...

Radiotherapy, or radiation therapy, is the clinical use of high energy rays (ionizing radiation) to induce DNA damage in all exposed cells to ultimately kill cancer cells or prevent cancer growth.

Make the most of your home away from home by choosing the best camping tent for your adventure. We found the top car camping ...

Other Causes of Black Spots on the Lips Dark ... melasma-related skin darkening can last for years. Sun damage. Long-term exposure to ultraviolet rays without protection is to blame for many ...

Dr Batiste added: "Then walk outside the sun light. Just a small amount of sunlight can release the stores underneath your skin, which can help lower the blood pressure even more." Podcast host ...

In severe cases, healing may take up to 2 weeks. A sunburn is skin damage caused by ultraviolet (UV) light from the sun. Although sunburns only last a few days in most cases, long-term damage ...

South Fulton Mayor Khalid Kamau, known as Mayor Kobi, berated his own constituents for citing his spending in office and said he was 'disappointed' to be questioned 'heading into Black History Month.' ...

A new moon occurs when the moon is directly between Earth and the sun, with its shadowed side ... Every so often a new moon is known as a "Black Moon". A Black Moon is not an official astronomical ...

Leafield (Oxford) Jan. 28: It appears that the solar eclipse last Saturday, undoubtedly had an effect on the reception of wireless signals. Experts of the British Broadcasting Corporation Coy.