Venice has battled rising water levels since the fifth century. But today, the water seems to be winning. Several factors, both natural and man-made, cause Venice to flood about 100 times a year — usually from October until late winter — a phenomenon called the acqua alta.

The U.S. Department of Energy announced Tuesday a monumental milestone in nuclear fusion research: a "net energy gain" was achieved for the first time in history by scientists from the Lawrence Livermore National Laboratory in California. Energy Secretary Jennifer Granholm called it "one of the most...

In every female kobudai... is a male in waiting. Animals in the genus Semicossyphus belong to the wrasse family, or the Labridae. Other members of the family and some fish in other families can also change their gender. They develop the reproductive organs, external features, and behavior of the op...

Color Scope is a series that explores our perception of color, it's use across cultures and other curiosities. Each month we examine a new color. Written and narrated by Dr. James Fox. Blue eyes are in fact pale brown. As light enters a 'blue' eye, it is scattered to create a blue hue, there is no a

Altocumulus Standing Lenticular Clouds: When sufficient moisture is present above mountain-top level, ACSL clouds develop within the crest of these mountain waves where the air is rising. ACSL clouds are continually developing and dissipating in the vicinity of the wave's crest and immediately dow...

Since the beginning of the epidemic, more than 70 million people have been infected with the HIV virus and about 35 million people have died of HIV. Globally, 36.7 million [30.8–42.9 million] people were living with HIV at the end of 2016. An estimated 0.8% [0.7-0.9%] of adults aged 15–49 years worl

Disney Imagineering has created autonomous robot stunt doubles. The robot acrobats can flip through the air and stick a landing every time. The machines they’re creating are becoming more active and mobile in order to better represent the wildly physical nature of the characters they portray within

The World is Watching Cities, Now More than Ever. The US withdrawal from the Paris Climate Accord brought cities into the spotlight. Because cities and mayors are acting now, and we must be right beside them as they become necessary leaders in this vital cause. As the world moves forward from Paris,...

There's a medical marijuana plant that has parents moving to Colorado to help their children. The strain of marijuana is called "Charlotte's Web," and it's named after a young girl in Colorado previously reported on by CBS4. The strain, converted into oil, has drastically changed Charlotte Figi's li...

The World is Watching Cities, Now More than Ever
COP21 brought cities into the spotlight. C40 is proud to help shine that light a little brighter. Because cities and mayors are acting now, and we're right beside them as they become necessary leaders in this vital cause.Watch the mayors of Bogotá, C