Science / Health Archives - Page 22 of 74

APOD: August 4, 2026 – Curious Cometary Knots in the Helix Nebula – NASA Science 0
- APOD, SCIENCE, Science / Health, Science Mission Directorate, scientists, Space, Space Communications & Navigation Program, Space Launch System (SLS), Space Telescope, space-x-ipo, SpaceX
- August 4, 2026
What causes unusual knots of gas and dust in planetary nebulas? Seen also in the Ring Nebula, the Dumbbell Nebula and NGC 2392, the knots’ existence was not initially predicted, and their origins are still not well understood. Pictured here is a fascinating image of part of the Helix Nebula by the James Webb Space Telescope showing tremendous detail in infrared light. The cometary knots have masses similar to the Earth but
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In 1960, movie theaters tried Smell-O-Vision. It stunk.0
- Engineering, SCIENCE, Science / Health, Science Mission Directorate, scientists, Space, Space Communications & Navigation Program, Space Launch System (SLS), Space Telescope, space-x-ipo, SpaceX, Technology
- August 4, 2026
Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. You may unsubscribe at any time. A mere six
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Why the need for the WHO has never been greater 0
- SCIENCE, Science / Health, Science Mission Directorate, scientists, Space, Space Communications & Navigation Program, Space Launch System (SLS), Space Telescope, space-x-ipo, SpaceX
- August 4, 2026
This July marked 80 years since representatives of 61 states signed the constitution of the World Health Organization (WHO) in New York City. The founders understood that diseases do not respect borders, and that progress depends on countries working towards a common goal. Africa’s response to this Ebola outbreak shows how to shape global health
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