For the first time, researchers have controlled the pace of an embryonic heart using pulses of light. The new method is a leap forward for cardiologists and developmental biologists, who hope it will help yield a better understanding of heart development and congenital heart disease. They also hope the development could eventually lead to new types of optical pacemakers.
The supermassive black hole is 40 million times as massive as the sun and powers a quasar that existed 700 million years after the Big Bang.
Vision Pro is here and it’s a surprisingly capable device. Apple has also loaded the headset with a ton of options and features that aren’t obvious at first glance.
Engineers expect to lose contact with the private US moon lander Odysseus on Tuesday, cutting short the mission after its sideways touchdown last week.