Scientists used an ultrafast X-ray laser to follow the impact of a single electron moving within a molecule during an entire chemical reaction. (Nanowerk News) Valence electrons, located in the ...

The clinical importance of fetal and pediatric body composition merits re-emphasizing. Although it is still widely underused in the clinical setting, pediatric body composition can aid the clinician ...

We have tried and tested dozens of fitness trackers — these are the top 12 wearables we recommend. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...

What makes a great fitness tracker for beginners? And what are some of the best options? We’ve got you covered. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...