We invited teenagers to write miniature memoirs about meaningful moments in their lives. Read the 20 winning stories. By The Learning Network This year’s Super Bowl was likely the biggest ...

Why can't we hear this alien scream in space? And have you ever wondered, when you make a sound, like, ooooooooooooo, how does the sound actually get into your ears? Watch what happens when the ...

Free body diagrams do not need to be drawn to scale but it can sometimes be useful if they are. It is important to label each arrow to show the magnitude of the force it represents. The type of ...

Objective To test the hypothesis that gouty arthritis (gout) is a risk factor for incidence of heart failure and for echocardiographic measures signifying subclinical heart failure. Design Post-hoc, ...