Why Are Some People Left-Handed?

There are several theories of how handedness develops in individual humans. Occurrences during prenatal development may be important; researchers studied fetuses in utero and determined that handedness in the womb was a very accurate predictor of handedness after birth. In a 2013 study, 39% of infants (6 to 14 months) and 97% of toddlers (18 to…

Could This Be the Beginning of the End to Cancer?

At his State of the Union address earlier this year, President Obama announced a plan to launch a “moon shot” to cure cancer. As researchers gear up for this, with Vice President Joe Biden at the helm, immunotherapy is at the forefront of their efforts. It’s a treatment built on a simple concept: When we…