Computer-based brain training looks to be effective for treating some symptoms.
Speculation on population numbers raise questions about whether the planet can sustain us all.
Pork, farm-raised salmon, chicken and turkey are all on a par when it comes to greenhouse gas emissions, but pigs are in a category of their own when it comes to environmental impact.
The technique could create replacement organs faster than previously tested methods
The giant hogweed can cause third degree burns and blindness -- and it's spreading fast.
Despite the earthquake, tsunami and radiation crisis in Japan, the human spirit still finds a way to find humor in the chaos.
Turning seaweed into a fuel source could help ease competition on land for growing crops.
Worried about the flame-retardants PBDEs? Handwashing is a good idea, research shows.
Volunteers using the app can upload the recordings to a website to keep track of bat populations.
The recent fast global decline of ocean health points to a level of marine die-off similar to the Paleocene-Eocene Thermal Maximum.