This Revolting Supercomputer Simulation Shows How COVID-19 Spreads at a Table.
But we can do something during winter - humidification of the air reduces droplet speed and the droplets do not fly as far as in dry air.
Nature magazine: Satellites could soon map every tree on Earth
Travel inspirations in an inspiring form from Switzerland by myswitzerland.com They received the "Best of Swiss Web Awards" in 3 categories Gold: Creation, Technology and Usability and two categories Silver: Innovation and Marketing. Start the side and get inspired and move your mouse to change perspective and to get more information. Do not forget to change the month. Impressive!
Disclaimer: I make every effort to ensure accuracy, but accept no liability for any possible errors. The opinions of the linked articles are not necessarily the same as my opinion.