Good heavens, it's been a MONTH since I made a Science News entry.
Two from Saturn - http://news.bbc.co.uk/2/hi/science/nature/4640641.stm - Rings have own atmosphere; and Saturn has gained 7 minutes per day in 20-30 years. (I could use an extra 7 minutes per day.) -- BBC
Einstein ring in distant universe Einstein Ring
Using ESO's Very Large Telescope, Rémi Cabanac and his European colleagues have discovered an amazing cosmic mirage, known to scientists as an Einstein Ring. This cosmic mirage, dubbed FOR J0332-3557, is seen towards the southern constellation Fornax (the Furnace), and is remarkable on at least two counts. First, it is a bright, almost complete Einstein ring. Second, it is the farthest ever found.
- European Southern Observatory (ESO) ; Astronomy & Astrophysics Letters
Oregon study confirms health benefits of cobblestone walking for older adults
Melting starts at defects in colloidial crystals.
I might have guessed if I'd thought to ask the question, nice to have it confirmed. .
Also at AIP PNU; Contrast with Ultra-fast X-ray pulses reveal how a solid melts into a liquid
"Supernova Olivine from Cometary Dust" -- Rocks for Astronomers
Network theory of getting lost in a strange city ... and why locals' directions make no sense. primidi
