Understanding different brown bear personalities may help reduce clashes with people

The brown bear is one of Europe’s five large carnivores and can sometimes cross paths with…

ARRL Podcasts Schedule

The second episode of ARRL’s On the Air podcast is now available. The topics focus on…

Nasa 're-masters' classic 'Pale Blue Dot' image of Earth

The US space agency reprocesses the Voyager probe’s iconic “Pale Blue Dot” picture of Planet Earth. …

Identifying the source of water pollution using synthetic DNA sand

Sometimes it’s helpful to follow a stream of water to find out where the water is…

Panamanian field expeditions examine how species persevere in face of climate change

Last month, two graduate students from the Arnold Arboretum of Harvard University traveled to one of…

Hidden away: An enigmatic mammalian brain area revealed in reptiles

Reptiles have a brain area previously suspected to play a role in mammalian higher cognitive processes,…

How cellular machinery labels proteins for degradation

Proteins are molecular work horses in the cell that perform specific tasks, but it is essential…

Variations in precipitation at the North Pole set to increase sharply

The climate is warming, especially in the Arctic, which will bring increased precipitation. However, the year-to-year…

NASA's Mars 2020 rover goes coast-to-coast to prep for launch

NASA’s next Mars rover has arrived in Florida to begin final preparations for its launch to…

Image: 'Pale Blue Dot' revisited

For the 30th anniversary of one of the most iconic views from the Voyager mission, NASA’s…