In other instances, cyclists may find themselves pedaling hard to progress down an obvious slope, as if gravity is pushing them in the opposite direction. The rest of this article is behind a paywall.

This hypothesis has the advantage of explaining why the rings have a lot of ice and little rock, in contrast to models where a moon strayed inside Saturn’s Roche limit and was pulled apart.

What is even more impressive about them is that these spiders are doing all of their activities without the ability to breathe underwater. These aquatic arachnids live, hunt, and even make more little ...

A fter years of work, scientists have solved the mystery of an unusual side effect that impacted some recipients of the Oxford/AstraZeneca and Johnson & Johnson COVID-19 vaccines. Most importantly, ...