Chemists discover how blue light speeds blindness
Blue light from digital devices and the sun transforms vital molecules in the eye's retina into cell killers, according to optical chemistry research at The University of Toledo.
Blue light from digital devices and the sun transforms vital molecules in the eye's retina into cell killers, according to optical chemistry research at The University of Toledo.
Biochemistry
Aug 8, 2018
4
8625
About 1,300 years ago a scribe in Palestine took a book of the Gospels inscribed with a Syriac text and erased it. Parchment was scarce in the desert in the Middle Ages, so manuscripts were often erased and reused.
Archaeology
Apr 6, 2023
3
1630
The lousiest year in living memory will end with an offering of heavenly wonder: a Christmas Star.
Astronomy
Dec 7, 2020
11
20225
Human aging may have been influenced by millions of years of dinosaur domination according to a new theory from a leading aging expert. The 'longevity bottleneck' hypothesis has been proposed by Professor Joao Pedro de Magalhaes ...
Evolution
Nov 29, 2023
2
1617
If there's one myth that has persisted through the years without much evidence, it's this: multiply your dog's age by seven to calculate how old they are in "human years." In other words, the old adage says, a four-year-old ...
Plants & Animals
Jul 2, 2020
8
3136
A team of researchers affiliated with several institutions in Spain, working with two colleagues from France and another from Germany has discovered an Obsidian handaxe-making workshop from 1.2 million years ago in the Awash ...
Just after sunset on the evening of Dec. 21, Jupiter and Saturn will appear closer together in Earth's night sky than they have been since the Middle Ages, offering people the world over a celestial treat to ring in the winter ...
Space Exploration
Nov 20, 2020
0
64626
The development of the earliest cities in Mesopotamia and the Middle East led to a substantial increase in violence between inhabitants. Laws, centralized administration, trade and culture then caused the ratio of violent ...
Archaeology
Oct 10, 2023
6
517
Today, stars fill the night sky. But when the universe was in its infancy, it contained no stars at all. And an international team of scientists is closer than ever to detecting, measuring and studying a signal from this ...
Astronomy
Jun 12, 2020
41
12378
At least twice in Earth's history, nearly the entire planet was encased in a sheet of snow and ice. These dramatic "Snowball Earth" events occurred in quick succession, somewhere around 700 million years ago, and evidence ...
Earth Sciences
Jul 28, 2020
16
2881