Scientists observe ‘negative time’ for the first time in a quantum experiment

A photon enters a cloud of atoms and emerges on the other side. When physicists calculate how long the atoms remained excited ...
STAT

Gene-edited pig lung transplanted into a brain-dead patient for first time

Megan covers the intersection of science and society. How is biomedical research funded? Who benefits? And how do new technologies reflect and shape our values? You can reach Megan on Signal at ...
Science News

Here’s how scientists reached nuclear fusion ‘ignition’ for the first time

One of nuclear fusion’s biggest advances wouldn’t have happened without some impeccable scientific artistry. In December 2022, researchers at Lawrence Livermore National Laboratory in California ...
New Scientist

Mouse embryos have been grown in space for the first time

Mouse embryos have been cultured on the International Space Station (ISS) for the first time to explore whether it might be safe for humans to become pregnant in space. “There is a possibility of ...
Scientific American

Can Space and Time Exist as Two Shapes at Once? Mind-Bending Experiments Aim to Find Out

There is a glaring gap in our knowledge of the physical world: none of our well-established theories describe gravity’s quantum nature. Yet physicists expect that this quantum nature is essential for ...