Millions of American women over age 40 receive regular mammograms to screen for breast cancer. About half of them turn out to have dense breast tissue — which makes screening significantly more ...

The majority of stars in our galaxy are home to planets. The most abundant are the sub-Neptunes, planets between the size of Earth and Neptune. Calculating their density poses a problem for scientists ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Dr. Troy Mensen is a family medicine doctor based in the Chicago area. He completed his undergraduate degree at the University of Northern Iowa and his doctorate at Des Moines University College of ...

Women with dense breasts may have a higher risk of breast cancer. Yet having dense breasts is very common and a normal characteristic of breast tissue. It’s also a feature you cannot change.“When you ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Question: I just had a mammogram, and I was told that I have dense breast tissue. What does that mean? Answer: About half of women are considered to have dense breasts, based on the appearance of ...

The first reaction is to say it's the fire shooting into the balloon. But, it's the fire which creates warm air, which is less dense than cold air. The same volume of warm air weighs less than cold ...

A new study confirms that breast density plays a significant role in both the risk of breast cancer diagnosis and the sensitivity of mammography, which may affect screening practices. The study, ...