In European robins, a visual center in the brain and light - sensing cells in the eye — not magnetic sensing cells in the beak — allow the songbirds to sense which direction is north and migrate correctly, a new study finds. (sciencenews.org)
• Replacement of more durable covers on Magnetic Sensing System (MSS). (hubble25th.org)
«We're moving toward [magnetic sense] being the default hypothesis for how marine animals achieve their long - distance migrations,» says co-author Nathan Putman, a Florida - based biologist with the National Oceanic and Atmospheric Administration. (scientificamerican.com)