Fact checked by Nick BlackmerFact checked by Nick Blackmer Key Takeaways Brushing your teeth too hard or too often can wear down tooth enamel, leading to sensitivity and pain, and it can also cause receding gums by exposing the root area. It’s best to brush between two and three times per day, for two whole minutes, using a soft-bristle brush …

Winters on the Great Lakes are harsh – so much so that the scientists who work there often focus on the summer months, when tiny microbes at the base of the food chain were thought to be most productive. However, emerging research is changing our understanding of these winter ecosystems and shining a light on a vibrant world of winter …

If your idea of being in nature is walking up Billionaires’ Row on a rainy day, then you’re already well acquainted with Loro Piana’s mastery of the elements. The Italian clothing brand that dresses world-beating titans, both real (Larry Gagosian) and fictional (Kendall Roy), has long specialized in making achingly soft wool outerwear that’s as resistant to the elements as …