Discover 2018-12.pdf

smaller.faster.stronger.Meet the all new SimpliSafe.Its smaller,faster,stronger than ever.Engineered with a single focus:to protect.With sensors so small theyre practically invisible.Designed to disappear into your homeAnd blanket it with protection.More than easy to usedownright delightful.All at prices that are fair and honest.Its home security.Done right.Get SimpliSafes exclusive holiday ofer at SimpliS editors choice 4/2/18“A seamless system”wirecutterapril 2018“The best home security system”cnet editors choice 3/28/18“.SimpliSafe belongs at the top of your list.”DiscoverSCIENCE FOR THE CURIOUS ALZHEIMERSUNDERATTACKLifestyle Plans That ImproveBrain Health P.32PLUSOutsmarting the Next Outbreak P.56Yellowstones Trial By Fire P.26A Magnetic Quest for Particles P.42OUR ANNUAL SCIENCE READS FOR THE HOLIDAYS P.12 DECEMBER 2018BONUS ONLINECONTENT CODE p.3December 2018 DISCOVER 3 Contents DECEMBER 2018 VOL.39,NO.1032 Alzheimers Under AttackTreating the degenerative brain disease might be more achievable than we thought.BY LINDA MARSA42 A Magnetic QuestA certain particle could help physicists inally fesh out their theory of everything.Now they just have to ind the particle.BY ADAM HADHAZY50 he Spider and the FlyHow rethinking our battle with pesky insects could make home life a bit sweeter.BY ROB DUNN56 Outsmarting Outbreaks Predicting the spread of deadly diseases could save countless lives.Health organizations are getting better at it,thanks to digital tools.BY MALLORY LOCKLEARDAWN COOPERFEATURESOur modern approach to pest control has hurt our ability to keep insects out of our homes.Learn more on page 50.Website access code:DSD1812 Enter this code at:www.DiscoverM to gain access to exclusive subscriber content.ContentsDiscoverSCIENCE FOR THE CURIOUS ALZHEIMERSUNDERATTACKLifestyle Plans That ImproveBrain Health P.32PLUSOutsmarting the Next Outbreak P.56Yellowstones Trial By Fire P.26A Magnetic Quest for Particles P.42OUR ANNUAL SCIENCE READS FOR THE HOLIDAYS P.12 DECEMBER 20184 DISCOVERMAGAZINE.COMCOLUMNS&DEPARTMENTS6 EDITORS NOTEA Dose of PatienceHold a pose for a holistic approach to a dreaded disease.7 INBOXReaders weigh in on the herpes virus and robot peer pressure.22 VITAL SIGNShe Big SleepWhen a dying woman fails to respond to treatment,doctors try a risky Hail Mary to save her life.BY ELIEZER J.STERNBERG26 NOTES FROM EARTHBurn NoticeDecades after ires scorched Yellowstone,scientists are learning how forests rise from the ashes.BY KRISTEN POPE64 PROGNOSIShe Antibiotic EatersResearchers are examining how bacteria might help prevent antibiotic resistance.BY JONATHON KEATS9 THE CRUXA scientist experiences the grunts and groans of geology in action;pondering the impenetrable fog of the early universe;Hollywood movie roles for women may have turned a corner;cool books are coming for the holidays;and more.TOP:JEFF HENRY/NATIONAL PARK SERVICE.BOTTOM:BRYAN AND CHERRY ALEXANDER/NATUREPL.COMON THE COVEROur Annual Science Reads for the Holidays p.12 Alzheimers Under Attack p.32Outsmarting the Next Outbreak p.56Yellowstones Trial By Fire p.26A Magnetic Quest for Particles p.42COVER:Bryan Christie Design68 HISTORY LESSONSFostering FearOpposition to vaccines has a long history in America.BY SARA NOVAK74 20 THINGS YOU DIDNT KNOW ABOUT PenguinsHuge in pop culture,the birds were once even bigger some over 200 pounds.Today,their downsized descendants live everywhere from ice shelves to subtropical beaches.BY GEMMA TARLACHAn emperor penguin and its chick.The 1988 Yellowstone fires offer clues to how a forests ecosystem recovers.More on page 26.Rechargeable Digital Hearing Aid Technology Only$229!*(*Each when you buy a pair)The new more powerful HearClearTM HCR3 rechargeable hearing aid combines advanced technology with a low price to provide you with outstanding value.h e new HearClearTM HCR3 Rechargeable Digital Hearing Aids are now available to you for an unbelievably af ordable price!h e HCR3 is packed with the same key technologies that all high end digital hearing aids share while leaving out the extra bells and whistles that increase cost and require expensive adjustments.h is helps you hear better,while saving you a lot of money.Your new HearClear HCR3 hearing aids work at a fraction of the cost of name-brand hearing aids,and you dont have to keep changing the batteries!You will love the discreet,comfortable,lightweight Open-i t design.h e HCR3 is shipped directly to you and pre-programmed for most hearing losses.It will help you hear better right out of the box and does not require professional appointments to make costly adjustments.You can spend thousands for an expensive hearing aid,or you can spend just$249 for a hearing aid that is great for most hearing losses(only$229 each when you buy a pair hear up to 3 times better than wearing just one).We are so sure you will love your hearing aids that we of er a 100%Money Back Guarantee-Risk Free if you are not satisi ed for any reason.*Only$229 Each When You Buy A P