'Rescue mutations' that suppress harmful DNA changes could shed light on genetic disorders

Calcium-K telescopes allow observing the Sun in the blue light of calcium. Because the image is so near the UV region of the solar spectrum some people cannot see the image but it can be imaged with a camera. Our eyes are not good at seeing light at the deep blue-end of the solar spectrum

Laser pulses travel faster than light without breaking laws of physics

SpaceX: What Is That Weird Light In The Night Sky? Why You Are Seeing Strange Things After Sunset This Month