Deciphering the intensity of past ocean currents

Ocean currents determine the structure of the deep-sea ocean floor and the transport of sediments, organic carbon, nutrients and pollutants. In flume-tank experiments, researchers have simulated how currents shape the seafloor and control sediment depo…

How bacteria can organize themselves

Structural patterns can be created due to the chasing interactions between two bacterial species. In a new model, scientists describe how interactions on the individual level can result in a global self-organization of species. Their findings provide i…

Pulsars may make dark matter glow

The central question in the ongoing hunt for dark matter is: what is it made of? One possible answer is that dark matter consists of particles known as axions. A team of astrophysicists has now shown that if dark matter consists of axions, it may revea…

Thalamus regulates adaptability of the adult brain

It is generally believed that the adaptability of the adult brain mainly takes place in the cortex. However, a new study shows that the thalamus, a relay station for incoming motor and sensory information, plays an unexpectedly important role in this p…

How do our brains tell us what went wrong?

A team of neuroscientists has now identified a class of neurons–what it calls ‘prediction-error neurons’–that are not responsive to sounds in general, but only respond when sounds violate expectations, thereby sending a message that a mistake has bee…