View time : 1 min 55
Level : Intermediate
Category: Extraordinary
Robot helps seniors fight loneliness; it converses, plays music and gives virtual tours
View time : 2 min 29
Level : Intermediate
With no supermarket, shop on bus fills the gap
View time: 1 min 32
Level : Advanced
Flying high and dry: Swedish hydrofoil ferry seeks to electrify waterways
View time: 2 min 09
Level : Advanced
New technology installed beneath a street in Detroit can charge electric vehicles as they drive
View time : 1 min 24
Level : Intermediate
Parched California bets on agave spirits to quench thirst
View time: 1 min 52
Level : Advanced
Scuba divers on ecological mission off NYC coast
View time: 1 min 51
Level : Advanced
Biologists in slow and steady race to help North America’s largest and rarest tortoise species
View time : 1 min 52
Level : Intermediate
Brain implants help disabled to speak
View time : 1 min 57
Level : Intermediate
Fastest, most powerful and most expensive sports cars unveiled at California luxury auto show.
View time : 2 min 22
Level : Intermediate