The new saddle-shaped macrocycle shows catalytic activity and affinity to zinc cations.

Researchers in the US have made progress on a ‘universal’ influenza vaccine, which would cover all strains and help reduce deaths in future flu pandemics.
This strange behavior doesn’t apply only to light. If you were to get in a rocket and blast off through a rotating universe, you, too, would get caught up in the rotation. And because of that rotation, your movement would double back on itself. When you returned to your starting point, however, you would find yourself arriving before you had left.
In a manner of speaking, a rotating universe would be capable of rotating your future into your own past, allowing you to travel back in time.
Year 2022 Basically this can be used with Python for self healing networks and software testing.
Have you ever found yourself in a situation where you realized a small change of the UI broke your E2E test again? Well, it happens to me very often.
Recently I read an article from on medium.com about an interesting library called Healineum which can come to the rescue.
Healenium is an AI-powered open-source library that improves the stability of Selenium-based tests, handles changes of updated web elements automatically and helps to overcome the problem of UI autotests instability using a self-healing mechanism…
Most of those at risk reside in just four countries.
15 million people are at risk of floods caused by glacial lakes, with more than half of those exposed living in just four countries, according to a press release.
Which countries are most vulnerable to glacial flooding?
Getty Images.
Critically, the most vulnerable regions are neither those with the most lakes nor those expanding most quickly. Instead, it’s the size of the population, how close people are to a glacial lake, and, most significantly, how well-prepared they are for a flood that determines how dangerous the somewhat overlooked natural hazard is.