What's up in
Science & Engineering
Physics, materials, energy, robotics, computing, aerospace engineering and space medicine.
Science & Engineering
Cells have a built-in counter that both ages bodies and fights cancer
The protective caps on human chromosomes shorten by 50 to 100 base pairs every time a cell divides, and once they run out the cell either sleeps forever or self-destructs. The same countdown that ages tissue is one of the body's strongest defences against cancer.
After eight-year search, detectors finally catch two black holes merging
Carbon dioxide measured from mountaintop since 1958 now exceeds 420 parts per million
Australian astronomer's black hole hunt accidentally invented modern Wi-Fi
Gas plunges toward pulsar at 540,000 km/h in whirling reversal
NASA's first communications satellite was just a giant reflective balloon
NASA engineer's chip design prediction conquered imaging, now ships in billions yearly
Webb finds a roughly two-Jupiter-mass object with signs of star-like formation
Pulsar's backward-spinning disk may have flipped to forward in 2008
Early outer planetesimals were rich in heat-processed rocky grains
On Deimos, orbital speed just above the surface is only about 14 km/h—around elite…
