Unit 1 Artificial Intelligence 1
Text A Artifi cial Intelligence: Friendly or Frightening? 2
Text B AI Summit Aims to Help Worlds Poorest 12
Text C Th e Weapon of Doomsday: AI 20
Unit 2 Protect Our Planet 23
Text A How Would Just 2 Degrees of Warming Change the Planet? 24
Text B Th e Risk of Extinction Is Highest for Earths Largest and
Smallest Animals 34
Text C 7 High-tech Tools to Combat Poaching 42
Unit 3 Virtual Reality 47
Text A How Virtual Reality Works 48
Text B Virtual Reality Helps Distract Kids from Painful Medical
Procedures 57
Text C How Project Morpheus Works 65
Unit 4 Unmanned Technologies 69
Text A Drone Trends to Watch in 2018: Big Data, Flying Taxis,
and Home Security 70
Text B Driver-less Cars and How Th ey Would Change Motoring 79
Text C How Amazon Go Will Revolutionize Retail Convenience 87
Unit 5 New Energy and Climate 93
Text A Artifi cial Photosynthesisthe Potentially Cleanest
Technology 94
Text B Turn CO2 into Valuable Products 102
Text C Th e Disruptive Power of the Renewables 109
Unit 6 Social Networking 113
Text A Why WhatsApp Only Needs 50 Engineers for Its
900M Users 114
Text B Social Media and the Big Data Explosion 122
Text C Advantages and Disadvantages of Social Networking 130
Unit 7 Space Exploration 135
Text A Leaders Satellites Space: the Next Startup Frontier 136
Text B Searching for Aliens: the Wow Factor 144
Text C Chinas Commercial Aerospace Dream Edges
Closer to Reality 152
Unit 8 Medical Science 157
Text A FDA Approval Brings First Gene Th erapy to the
United States 158
Text B Aft er Surgery in the Womb, a Baby Is Kicking up Hope 169
Text C Current Alzheimers Treatments 177