Latest from Science News: Large asteroid buzzes Earth

Latest from Science News 01/27/2015 Become a Subscribing Member» SCIENCE TICKER Large asteroid buzzes Earth BY CHRISTOPHER CROCKETT, JAN 26, 2015 03:32 PM Asteroid 2004 BL86 swings by Earth today at three times the distance to the moon, the closest asteroid encounter until 2027. Read More Read More» FEATURE Big data studies come with replication challenges BY TINA HESMAN SAEY, JAN 26, 2015 01:48 PM As science moves into big data research — analyzing billions of bits of DNA or other data from thousands of research subjects — concern grows that much of what is discovered is fool’s gold. Read More Read More» NEWS Sodium and other alkali explosions finally explained BY BETH MOLE, JAN 26, 2015 11:06 AM A high-speed camera snaps sharp details of how alkali metals explode in water — a classic, but until now, not fully explained chemical reaction. Read More Read More» More Headlines from Science News SAY WHAT? Decoding sommeliers’ brains, one squirt of wine at a time Researchers use a ‘gustometer’ to control wine portions in experiments comparing the brains of sommeliers and novices. Read More BY TINA HESMAN SAEY, JAN 23, 2015 03:20 PM 50 YEARS AGO Decades-old idea brought to fruition: a mission to Mercury In 1965, engineers proposed sending a spacecraft to Mercury with help from another planet’s gravity – a technique now used in many interplanetary missions. Read More BY CHRISTOPHER CROCKETT, JAN 23, 2015 02:24 PM IT'S ALIVE That’s how shrimpfish roll A tails-up swimmer makes rare moves. Read More BY SUSAN MILIUS, JAN 23, 2015 11:30 AM NEWS IN BRIEF How blueshift might beat redshift Even though the expanding universe makes light redder, light emitted by collapsing stars and dust clouds could appear unusually blue. Read More BY ANDREW GRANT, JAN 23, 2015 10:12 AM SCIENCE TICKER Humboldt squid flash and flicker Scientists capture the color-changing behavior of Humboldt squid in the wild. Read More BY HELEN THOMPSON, JAN 22, 2015 04:04 PM NEWS Rosetta reveals a complex comet Rosetta finds diverse landscapes on comet 67P, which could provide researchers with clues about how the solar system formed. Read More BY CHRISTOPHER CROCKETT, JAN 22, 2015 02:00 PM NEWS Scans tell gripping tale of possible ancient tool use South African fossils contain inner signs of humanlike hands, indicating possible tool use nearly 3 million years ago. Read More BY BRUCE BOWER, JAN 22, 2015 02:00 PM