Discover 3

FROM TOP: JAMES TRACY/TEXAS A&M UNIVERSITY/USGS; KATHERINE MAST; RICK AND NORA BOWERS/KAC PRODUCTIONS 20 DISCOVERMAGAZINE.CO ...

A B C F E D G Rechargeable Digital Hearing Aid Technology Only $ 199! (*Each when you buy a pair) Rechargeable is now afford ...

22 DISCOVERMAGAZINE.COM LEFT: COURTESY OF THE TAMARISK COALITION. RIGHT: DAN BEAN/COLORADO DEPARTMENT OF AGRICULTURE with multip ...

M illions of people collect the American Eagle Silver Dollar. In fact it’s been the country’s most popular Silver Dollar for thi ...

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March 2018^ DISCOVER^25 The Secret History of the Vikings New DNA-driven research reveals untold stories — and stirs controversy ...

JAY SMITH “The Vikings epitomized the freedom and strength we like in our heroes,” says Judith Jesch, professor of Viking studie ...

FROM TOP: ILLUSTRATION BY ÞÓRHALLUR ÞRÁINSSON (© NEIL PRICE); EVALD HANSEN/STOLPE 1889; UNIVERSITY OF BERGEN; UPPSALA UNIVERSIT ...

“Because I deal with ‘just’ words and sometimes pictures, scientists don’t think the work is as rigorous as theirs,” says Jesch, ...

FROM TOP: DE AGOSTINI/C. BALOSSINI/BRIDGEMAN IMAGES; JAY SMITH; COURTESY JEREMY SEARLE Røyrvik, one of the authors of the 2015 N ...

30 DISCOVERMAGAZINE.COM JAY SMITH painstaking process that has since been largely replaced by computer programs. “I expected [th ...

LEFT: DE AGOSTINI PICTURE LIBRARY/GRANGER, NYC. RIGHT: OMAR MARQUES/ANADOLU AGENCY/GETTY IMAGES relied on ancient DNA from a dif ...

32 DISCOVERMAGAZINE.COM ...

Taking a Dim View Astronomers learned to see beyond the Milky Way’s glare into a hidden realm of faint galaxies. BYADAM HADHAZY ...

34 DISCOVERMAGAZINE.COM O ne winter night in 1969, at an observatory atop Kitt Peak in Arizona, Michael Disney had a funny thoug ...

March 2018^ DISCOVER^35 ROBERTO ABRAHAM he proposed. Yet with little in the way of supporting data, the prophecy gained little t ...

36 DISCOVERMAGAZINE.COM THIS PAGE: BOISSIER/A&A/ESO/CFHT. OPPOSITE: P. VAN DOKKUM/YALE UNIVERSITY (2) the Milky Way with 50 ...

HIDING IN PLAIN SIGHT Disney didn’t know what these clandestine objects might be like, and he immediately wanted to follow up wi ...

38 DISCOVERMAGAZINE.COM Dragonfly’s multiple lenses serve as checks on one another for stray light, and their internal surfaces ...

March 2018^ DISCOVER^39 P. VAN DOKKUM ET AL./ASTROPHYSICAL JOURNAL LETTERS/VOL. 798, NO. 2/JANUARY 7 2015 (2) Arrested developme ...