Moving the motivation meter
Rats given the drug that reduced dopamine were much less likely to work for preferred morsels of food. But when these rats were then...
Tiny footprints, big discovery: Reptile tracks oldest ever found in Grand Canyon
Geologists have discovered that a set of 28 footprints left behind by a reptile-like creature 310 million years ago are the oldest ever to...
Giant leap toward personalized medicine helps eyes drain themselves
Researchers created a new smart drainage device to help patients with glaucoma, a leading cause of blindness in the world, as they try to...
Navigating our thoughts: Fundamental principles of thinking
Humans think using their brain's navigation system: Researchers combine individual threads of evidence to form a theory of human thinking.
Flood dynamics increase population vulnerability to waterborne disease and climate
Diarrheal disease, a preventable and treatable illness, remains the second-leading cause of death in children under the age of 5 and a persistent public...
Warming waters caused rapid — and opposite — shifts in connected marine communities
Two connected marine ecosystems -- the Eastern English Channel and Southern North Sea -- experienced big and opposite changes in their fish communities over...
Mark your calendar: All infectious diseases are seasonal
Most of us are aware of the seasonal cycle of influenza outbreaks, which for Americans peak in the winter. Scientists now make a case...
How many calories do you burn? It depends on time of day
Researchers have made the surprising discovery that the number of calories people burn while at rest changes with the time of day. When at...
Extending the life of low-cost, compact, lightweight batteries
A new method can greatly extend the life of inexpensive, compact, lightweight metal-air batteries.
Ancient DNA evidence reveals two unknown migrations from North to South America
A team has used genome-wide ancient DNA data to revise Central and South American history. Their analysis of DNA from 49 individuals spanning about...
