Benchmark unveils small satellite collision-avoidance kit

Russia launches sharp-eyed spy satellite for Iran

The Space Review: A review of Chinese counterspace activities "China has the ability to conduct radiofrequency (RF) jamming from mobile platforms against communication satellites in LEO, and laser dazzlers against satellite targets"

Heart rate variability predicts better executive functioning: "We found a small positive association between vagally-mediated HRV and executive functioning (r = 0.19, 95%CI 0.15 to 0.23, p < 0.0001) using a quantitative synthesis of existing studies with random-effect models."