Finding true love with math, and scientists propose a new basic taste

Plus: An LED light that mimics the Sun’s rays, and evolution in overdrive

SUBSCRIBE DIGITAL | RENEW | GIFT Discover Newsletter:  02/19/2015 How Math Can Help You Find True Love Crunching the numbers to find your perfect partner.   DISCOVER BLOGS SERIOUSLY, SCIENCE? Dogs Can Tell If Human Faces Are Happy or Sad In a series of experiments, dogs were able to distinguish between photos of happy and angry humans.  MORE  |            D-BRIEF Scientists Propose a Sixth Basic Taste: Fat In addition to sweet, sour, salty, bitter and umami, it’s time to welcome “fat” to the party.  MORE  |            THE CRUX In the Brain, Romantic Love is Basically an Addiction Love addiction is just as real as any other addiction, in terms of its behavior patterns and brain mechanisms.  MORE  |            D-BRIEF LED Skylight Authentically Recreates the Sun’s Rays Designers use nanoparticles and LED bulbs to recreate the conditions in the Earth's atmosphere within a high-tech new skylight.  MORE  |            IMAGEO A Tale of Two Seals Not all seals are created equal in the Arctic, especially when it comes to impacts from climate change.  MORE  |              THIS MONTH IN DISCOVER MAGAZINE Three ER Cases, One Common Theme Tony Dajer A trio of patients land in the ER with a dislocated shoulder, a seizure and a heart attack. What do they have in common?  MORE  |            Where Does the Periodic Table End? Adam Hadhazy Scientists keep finding new pure units of matter — but it’s getting ever harder.  MORE  |            Cleaning Up Catheters Lacy Schley A combination of antibiotics can dramatically lower mortality rates at hospitals.  MORE  |            Rapid Evolution Changes Species in Real Time Jane Braxton Little Some species are evolving far more quickly than Darwin ever imagined.  MORE  |            Is There Life on Europa? Brenda Poppy Jupiter’s watery moon might just prove hospitable.  MORE  |              RECENT PHOTO GALLERIES  Oops! 8 Discoveries Astronomers Didn’t Mean to Make  Snowflakes Like You’ve Never Seen Them Before  Are Insects the Future of Food?