Gaia’s all-sky view of our Milky Way Galaxy and neighbouring galaxies, based on measurements of nearly 1.7 billion stars. The map shows the total brightness and colour of stars observed by the ESA satellite in each portion of the sky between July 2014 and May 2016. Brighter regions indicate denser concentrations of especially bright stars,…

Read more Gaia’s sky in colour

Children who eat fish at least once a week sleep better and have IQ scores that are 4 points higher, on average, than those who consume fish less frequently or not at all, according to new findings from the University of Pennsylvania published this week in Scientific Reports, a Nature journal. Previous studies showed a…

Read more Weekly fish consumption linked to better sleep, higher IQ

The neuroscientists Dr Christina Strauch and Prof Dr Denise Manahan-Vaughan from the Ruhr-Universität Bochum have investigated which brain area is responsible for storing odours as long-term memories. Some odours can trigger memories of experiences from years back. The current study shows that the piriform cortex, a part of the olfactory brain, is involved in the…

Read more How odors are turned into long-term memories

The first known interstellar asteroid may hold water from another star system in its interior, according to a study. Discovered on 19 October, the object’s speed and trajectory strongly suggested it originated beyond our Solar System. The body showed no signs of “outgassing” as it approached the Sun, strengthening the idea that it held little…

Read more Interstellar object may hold ‘alien’ water

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