A neuroscientist discusses how your brain filters visual inputs. Plus, two stories about jellyfish—tracking a freshwater jelly that’s spreading across the US, and the surprising finding that one species of jelly may be able to learn. And, researchers are learning that placebos might be more effective when patients are told they’re receiving them.
This summer, two different and currently untreatable mosquito-borne viruses were identified on the East Coast.
Whales stabilize the ocean ecosystem through a mechanism scientists call the “whale pump,” or fecal plumes.