A new study provides the first visual evidence showing that brain circuits in living animals can be activated by ultrasound waves projected into specific patterns (holograms). Led by scientists at NYU ...

You might not hear it, but rodents are known to speak to each other in voices so high-pitched that human ears can’t pick them up. Now scientists have found that these vocalizations might have a second ...

The first picture taken of a person nowadays is usually an ultrasound scan in the womb. But the technology is capable of much more than that. Physiotherapists have long used ultrasound to heat bodily ...