We have known for several decades that the universe is expanding. Scientists use multiple techniques to measure the present-day expansion rate of the universe, known as the Hubble constant. These ...

Many pieces of military equipment don’t appear especially remarkable at first glance. A rifle attachment, a protective vest, ...

Learn how to measure sticky ingredients like peanut butter and syrup more easily, without the mess or frustration that ...

With this multipurpose health testing device, you can measure your body temperature and blood oxygen saturation, take an ECG, and listen to your heart and lungs with a pair of headphones.

Planning your first long distance walk? Here's everything you need to know, courtesy of our resident expert ...