Movies didn't always look like they do now. There was a period (kind of a problematic one) where movies transitioned from short novelties to big, epic, feature films. That's our focus this week as Craig talks to us about the birth of the...

Our understanding of DNA as the hereditary material emerged gradually, challenging the early belief that proteins, not DNA, were responsible for heredity. A pivotal moment came in 1928 when Frederick Griffith discovered bacterial...

Welsh Monarchs Family Tree

Little is known about Gwenllian ferch Gruffydd, but she became a symbol for Welsh pride and independence, and for centuries her name became a battle-cry. This video looks at what we know of the 'Boudicca of Wales', and the dramatic and...

The Conservatives would simplify tax and banking rules for businesses and contractors, the party’s shadow business secretary Andrew Griffith has said.



Mr Griffith told the party’s conference in Manchester the Tories...

The surgeon who successfully transplanted a pig heart into a patient says the cardiac team has prepared for David Bennett, Jr.'s body to put up a fight against the foreign organ.

Views from Griffith Observatory at Griffith Observatory on December 10, 2012 in Los Angeles, California (Footage by Getty Images)

Aerial Shot of Griffith Observatory on September 02, 2013 in Los Angeles, California (Footage by Tribune Broadcasting/Getty Images)

Actor Walter Huston sitting in parlor with director DW Griffith, the latter sitting in chair and flipping through book; both men wear tuxedo suits / three precocious young white teenagers bursting through curtain, spying on the two men /...

Pamela Sue Martin at the Celebrity Polo Match at Griffith Equestrian Park in Los Angeles, California on April 20, 1986. (Footage by WireImage Video/Getty Images)

WS AERIAL View of floods / Griffith, New South Wales, Australia

WS AERIAL View of fields / Griffith, New South Wales, Australia

MS Shot of Sun rising from behind trees / Griffith, Queensland, Australia

MS TU Shot of Reflection of trees in water / Griffith, Queensland, Australia

MS Shot of Sunrise over water with fence / Griffith, Queensland, Australia

WS AERIAL View of field / Griffith, New South Wales, Australia

WS View of Sun rise over water / Griffith, Queensland, Australia

WS PAN View of Trees in water / Griffith, Queensland, Australia

MS Shot of Fruit trees in morning light / Griffith, Queensland, Australia

Stefanie Powers at the Celebrity Polo Match at Griffith Equestrian Park in Los Angeles, California on April 20, 1986. (Footage by WireImage Video/Getty Images)

Dick Van Dyke at the Celebrity Polo Match at Griffith Equestrian Park in Los Angeles, California on April 20, 1986. (Footage by WireImage Video/Getty Images)

Jennifer O'Neill at the Celebrity Polo Match at Griffith Equestrian Park in Los Angeles, California on April 20, 1986. (Footage by WireImage Video/Getty Images)

Sarah Purcell at the Celebrity Polo Match at Griffith Equestrian Park in Los Angeles, California on April 20, 1986. (Footage by WireImage Video/Getty Images)

Jennifer O'Neill at the Celebrity Polo Match at Griffith Equestrian Park in Los Angeles, California on April 20, 1986. (Footage by WireImage Video/Getty Images)