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  • 2160 hour day show

    2160 hour day

    Mercury's day lasts for three months and when the Sun sets, it is accompanied by a spectacular light show.

    (03:14)
  • Clues to the Past show

    Clues to the Past

    Mercury's surface has remained undisturbed since the dawn of the Solar System, giving us clues to the past.

    (03:17)
  • Shrinking Mercury show

    Shrinking Mercury

    Mercury is shrinking, its core accounts for 60% of its mass. NASA's Messenger spacecraft investigates.

    (03:01)
  • Sun Burn show

    Sun Burn

    Both Mercury and Earth are bombarded by the Sun but the Earth has a protective magnetic field to protect it.

    (02:58)
  • Earth's Twin show

    Earth's Twin

    Venus was once the twin of Earth but something happened to turn it into the alien planet we see today.

    (02:17)
  • Black Sky show

    Black Sky

    Mercury would seem to be like the moon with a black sky ablaze with the Sun.

    (00:38)
  • Clyde Tombaugh show

    Clyde Tombaugh

    Pluto was discovered in 1930 by Clyde Tombaugh through a series of painstaking observations.

    (03:04)
  • Stan’s Skull show

    Stan’s Skull

    Dr. Manning begins to examine the skull of the second most complete fossil of a T. Rex ever discovered.

    (03:01)
  • Strange Shape show

    Strange Shape

    Phil uses a block of foam to try and recreate the brain case of a Tyrannosaurus Rex.

    (03:00)
  • Get a Look Inside show

    Get a Look Inside

    C.T. scan technology is used to examine the original fossilized brain case of a Tyrannosaurus Rex.

    (03:08)
  • Tree of Life show

    Tree of Life

    Phil compares the T. Rex’s brain case to that of birds and crocodiles, managing to find some similarities.

    (03:02)
  • Family Ties show

    Family Ties

    Dr. Manning examines the brains of an emu and an alligator and gets some clues as to T. Rex’s behavior.

    (03:19)
  • Mapping the Footprints show

    Mapping the Footprints

    In Fumanya, Spain, dinosaurs left tracks which fossilized over time and then became exposed.

    (02:53)
  • Friable Tracks show

    Friable Tracks

    What are the difficulties and problems involved in the way the tracks had been recorded?

    (03:07)
  • Baby Dino show

    Baby Dino

    Spanish colleagues show Phil the rare fossilized remains of a baby dinosaur and they photograph it.

    (03:16)
  • Long Strides show

    Long Strides

    The Titanosaur tracks reveal the reason why these creatures swayed from side to side as they walked.

    (03:04)
  • Equations show

    Equations

    An anthropologist calculates the speed of an animal from the length of its stride and the height of its hips.

    (03:10)
  • Tough Survivors show

    Tough Survivors

    Phil travels to Chicago to examine the largest dinosaur ever discovered and find the limits of their strength.

    (02:49)
  • Stress Tests show

    Stress Tests

    Dr. Manning looks at evidence of dinosaurs healing in seemingly impossible ways.

    (02:29)
  • Shattered Leg show

    Shattered Leg

    A simulation of the injury of a fossilized Gorgosaur who suffered a compound fracture unlocks hidden secrets.

    (02:42)