According to the World Health Organization, there are currently more than 40 million visually impaired people around the world.
articles
Nature’s Soundtrack Returns After Centurylong Absence
Bird calls can be iconic, and to many Missourians, some have come to define landscapes.
Towards A Silicon Light Source
A team of physicists led by Kateřina (Dohnalová) Newell from the University of Amsterdam, have devised a new way to improve the optical properties of silicon nanocrystals.
Past Rapid Warming Levels In The Arctic Associated With Widespread Climate Changes
Abrupt climate changes during the Last Glacial Period, some 115,000 to 11,700 years ago, happened at the same time across a region extending from the Arctic to the Southern Hemisphere subtropics.
About 94 Percent Of Wild Bee And Native Plant Species Networks Lost
Climate change and an increase in disturbed bee habitats from expanding agriculture and development in northeastern North America over the last 30 years are likely responsible for a 94 per cent loss of plant-pollinator networks.
Plexiglass Alone Can't Protect Against Aerosolized Virus
In settings where personal protective equipment (PPE) is in short supply, inserting a breathing tube down a patient’s throat poses a major risk of SARS-CoV-2 exposure for doctors and nurses as viral particles are released into the air.