Rembrandt "Danaë", 1636), seeking to emulate the baroque style of Rubens. With the occasional help of assistants in Uylenburgh's workshop, he painted numerous portrait commissions both small ("Jacob de Gheyn III") and large ("Portrait of the Shipbuilder Jan Rijcksen and his Wife", 1633, "Anatomy Lesson of Dr. Nicolaes Tulp", 1632). By the late 1630s Rembrandt had produced a few paintings and many etchings of landscapes. Often these landscapes highlighted natural drama, featuring uprooted trees and ominous skies ("Cottages before a Stormy Sky", c. 1641; "The Three Trees", 1643). From 1640 his work became less exuberant and more sober in tone, possibly
The Science of Doctor Who an added extra on the limited edition "Doctor Who 50th Anniversary Collection Boxset", where it was re-titled "A Night with the Stars: The Science of Doctor Who". The Science of Doctor Who The Science of Doctor Who is a televised lecture by physicist Brian Cox discussing the nature of space and time as related to the science fiction series "Doctor Who". Cox covers topics including the nature of black holes, time dilation, time as a dimension in which to travel and the possibilities of alien life. The lecture is held at the Royal Institution's lecture hall and interspersed with small