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NASA is keeping a centuries-old navigation principle relevant to modern spaceflight, using sextants and optical navigation techniques as potential backups if astronauts lose electronic or Earth-based navigation support during missions to the Moon, Mars and beyond.
New research suggests that memory retention may depend less on preserving individual brain connections and more on protecting the overall architecture of neural networks. In mice placed into an artificial hibernation-like state, more than half of hippocampal synapses disappeared, yet previously learned memories remained intact.
NASA's Roman Space Telescope: Everything You Need to Know Before Its Historic Launch in August 2026
The Quantum Internet is set to revolutionize global communication with virtually unbreakable security, quantum encryption, and next-generation networking technology.
Scientists have discovered a new mechanism that may explain how Alzheimer's disease spreads through the brain. A protein called Arc, which normally helps brain cells communicate, appears to transport toxic Tau proteins from damaged neurons to healthy ones using tiny extracellular vesicles. The findings, based primarily on mouse studies, suggest that future treatments could slow Alzheimer's progression by blocking this transfer rather than removing Tau entirely. While the research is promising, experts caution that human studies are still needed before therapies can be developed.
The aerogel, composed of 99.8% air, can withstand extreme heat and pressure, promising applications in aerospace.
The vents, located at a depth of 3,000 meters, support unique species that rely on chemosynthesis for energy.
The fossil, dating back 125 million years, shows detailed imprints of skin textures and feather structures.
Using advanced magnetic confinement, the reactor sustained a high-temperature plasma, generating more energy than consumed.
Using next-gen space telemetry, researchers have identified methane and carbon dioxide signatures on an exoplanet situated in the habitable zone.