Popular Science USA - July/August 2019
English | PDF | 128 pages | 134 mb

CHARTED
The likeliest locales to spot UFOs p. 10
Super-sensory animal powers p. 12
Our first glimpse of a black hole p. 13
Fringe language patterns spread online p. 14
Oysters could save coastal cities p. 15
Six technologies to upgrade humanity p. 16
Is the universe shaped like a Pringle? p. 18
Science and sewage at the South Pole p. 20
Scouring 8,000 exo-planetsfor life p. 22
How conspiracy theories take hold p. 24
The engineer building a drone for Mars p. 26

GOODS
A watch you could wear on the moon p. 30
Climbing gear for your first high ascent p. 32
Explore the depths with this diving kit p. 33
Take these dehydrated morsels into orbit p. 34
Zooming in on hidden worlds p. 36
Enhance your view with these binoculars p. 38
The best telescopes for looking skyward p. 39
This cheap rocket flies a mile high p. 40
Four ways to stargaze indoors p. 41
Are we alone in the universe? p. 42

FEATURES
The bold man and the sea p. 48
Messages to future civilizations p. 60
Reading astronauts' secret diaries p. 66
Howflat-Earthers reshape beliefs p. 74
Seven predictions sci-fi got right p. 82
Living off the land, Martian edition p. 84
Archaeology has a new prime directive p. 90
Constructing the biggest telescope yet p. 96

TALES FROM THE FIELD
The time I was hit by a car on purpose p. 107
Octopuses on ecstasy feel the love p. 108
Searching for life on the ocean floor p. 108
What we discover at the fringes p. 110
A two-week, 430-mile Arctic foot race p. 112
I sleep on cliffs 10,000 feet up p. 112
Serendipitous discovery of supertasters p. 114
How to edit a photo from Mars p. 115
Otherworl dly games and illusions p. 117
Safe space, resurrector, Earth shade p. 130

 
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