Author - Varun Kumar

A New Method To Monitor Stress At Home

Researchers develop a new technique to quickly measure common stress hormones using saliva, urine, blood, and sweat.  Although the method is simple and inexpensive, it is not going to replace the comprehensive blood test done in a laboratory. ...

How Loud Sound Can Get Underwater?

Scientists produce an astonishingly loud sound underwater, louder than the sound of a rocket launch. It generated 270 decibels of sound pressure levels and 1GW/m2 of sound intensities.  Sound is defined as a longitudinal wave created by compressions...