Trump's pick of U.S. Sen. Marco Rubio to be secretary of State. Rubio is a former Trump critic who has given up on his ...

Next-generation metagenomic sequencing test developed at UCSF proves its effectiveness in quickly diagnosing almost any kind ...

This Brain Teaser IQ Test will put your attention to detail and logical reasoning to the test. With just 5 seconds to make ...

Most of us are familiar with the mammoths in the "Ice Age" movies, but how much do you really know about these creatures?

People with the sharpest eyes can find the different silhouette in the picture in 5 seconds. Are you one of them? Test your ...

It is tough to spot the hidden number within the distortion at first glance. Hurry up; the clock is ticking. This time, try ...