How to get back your sense of smell after COVID-19, according to science What is smell training? Smell training is a therapy that has been used by experts in smell disorders (olfactologists) for some time. It has the benefit of having no harmful effects on those who use it. It is also something that doesn’t need a prescription, is cheap , and can easily be done at home. Several studies performed over the last decade suggest thatrepeated short-term exposure to smellsmay help people who have lost their sense of smell....

Launching in Beta is a common method to prevent the havoc of an imperfect release, and lately it’s been utilized as a promotional technique. Most of Google’s products are launched in beta in small, often buggy patches. But indeed, it builds Buzz, pun intended. The important thing to remember is: Finding great beta testers is key to your startup’s success. But how do you beckon early adopters? And what can you do to increase the odds of a press avalanche that will leave users begging to be let ina laKohort?...

How to get over the intimidation factor and start loving hardcore strategy games It’s all about attitude Let’s useCrusader Kings III, a newly released Paradox Interactive title, as an example. On the other side of this dynasty simulator’s learning curve you’ll find a game that lets you do almost anything you want. The sheer amount of power you can exhibit over the thousands of non-player characters inCKIIIis incredible – especially when you consider that you only actually control one character at a time....

There are many things humanity must overcome before any return journey to Mars is launched. The two major players are NASA and SpaceX, which work together intimately on missions to the International Space Station but have competing ideas of what a crewed Mars mission would look like. Size matters The biggest challenge (or constraint) is the mass of the payload (spacecraft, people, fuel, supplies etc) needed to make the journey....

This article is part of aseriesexplaining how readers can learn the skills to take part in activities that academics love doing as part of their work. By far my favourite thing about my job as an astronomer is those rare moments when I get to see beautiful distant galaxies, whose light left them millions to billions of years ago. It’s a combination of pure awe and scientific curiosity that excites me about “galaxy hunting”....