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The best science and technology pictures of the week

  • Water sight
    Nasa's Curiosity rover has found remnants of an ancient freshwater lake that may have supported tiny life forms on Mars, scientists said. (Nasa)
  • Shoal show
    A diver performs with sardines as part of summer vacation events at Coex Aquarium in Seoul, South Korea. (AP Photo)
  • In the clouds
    It was foggy in London this week. Spoiler alert: this isn’t the view Londoners see every morning. (Getty Images)
  • Drone delivery
    Last week it was Amazon, this week German firm Deutsche Post DHL unveiled its prototype "parcelcopter" that can carry packages up to 1.2kg, or 2.65lbs. (Reuters)
  • I’m a survivor
    A species of cockroach native to Asia has been seen crawling around New York City's High Line and can survive the city's often brutal winters, according to a new study. (Reuters)
  • Mystery train
    Cargo train passes through the Canada’s “Morant's Curve”, offering a view of the frozen Bow River and the Canadian Pacific Railway at Banff National park. (Getty Images)
  • Cold spot
    The coldest place on Earth has been measured by satellite to be -93.2C (-135.8F), in a high ridge in the East Antarctic Plateau. (Reuters/Nasa)
  • Washed ashore
    Seal pups recently orphaned by the floods in Norfolk UK – many less than three weeks old – were washed up after a tidal surge hit the coast. (RSPCA/PA)
  • What’s that R2?
    A Bonham's auction house employee holds a study mould for R2D2's head used in Star Wars; A New Hope. The item is expected to fetch $10,000-13,000. (Getty Images)
The most impressive pictures from the last seven days, from the coldest place on Earth to ancient lakes on Mars.

More stunning image galleries:

Comet fly-bys, China in space and Amazon drones

Robot companions and award-winning views of Shanghai

A storm of starlings and a Saturnine portrait

Typhoon Haiyan, Olympic spacewalk and Lady Gaga
 
Rare eclipse, Olympian rocket and singing mudskippers
 
Volcanoes, snake massages and a very unusual seahorse
 
New space ventures and mirrors that light up a town
 
Bionic men and Saturn in amazing detail
 
Robotic firefighters, solar car races and extreme weather
 
Supervolcanoes on Mars and Chinese military drones
 
Baby pandas and glowing robots
 
Northern Lights and baby turtles
 
Robot dragon and lightning strike
 
Yosemite fires and an eclipse from Mars
 
Augmented reality in the operating room
 
Worm burgers and beetle robots
 
Baby lobsters and the most sophisticated robot of its time
 
Clouds from space, illegal animal trade, and an eyeball-shaped camera
 
Lightning strikes and a popsicle-licking polar bear
 
Supersonic planes, migrating whales and hair washing in space
 
Space ventures, extreme Earth, and hot elephants
 
Flying aces, challenging swims and confused robots
 
Supermoon, Tesla coils and medical clowns
 
World’s biggest solar-powered boat and forest fires
 
Astronaut photography, a tiny helicopter and a hovering bike
 
Rocket launch, a superfast train, and a toothy shark
 
Fire-fighting from the skies and an animatronic King Kong
 
Dancing robots, a pair of MiGs and a topsy-turvy tiger
 
A drone at sea, a curious lemur and a dramatic landing from space
 
Tiny robots, printable guns and a sunken German bomber
 
Dramatic storms, face transplants and a pensive gorilla
 
Space, bionic limbs and robot protests
 
Rubber wastelands, a trip to a taxidermist and hurricane testing labs
 
Flu scares, robot surgery and the untouched planet

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