Images Dated 3rd June 2005

Moses and the Golden Calf, capital relief, c.1130 (stone)

PC22051 Moses and the Golden Calf, capital relief, c.1130 (stone) by French School, (12th century); Basilica of Sainte-Marie-Madeleine, Vezelay, France; (add.info.: breaking of the tablets of Law;); French, out of copyright

© Bridgeman Images

Adoration, Architectural, Architectural Detail, Architecture, Art, Arts, Carved, Carving, Romanesque, Worship

FG-EA-736

FG-ea-736
GEOLOGY: K-T boundary - K-T boundary Sussex locality, Wyoming, USA.
The ruler and brush rest on the top of the K-T boundary layer. Below it is a mudstone deposit of the Lance Formation (Cretaceous). Above it is a coal bed of the Tullock Member of the Fort Union Formation (Tertiary). The K-T boundary layer is the gray to white kaolinitic claystone, less than 2 cm thick. On top of it is a darker, laminated layer a few millimeters thick, containing sand grains, many of them showing multiple sets of parallel fractures ("shocked quartz") under the microscope. Iridium can be detected in the claystone layer and in the carbonaceous layer immediately above it.
Francois Gohier

© Francois Gohier / ardea.com

Greenhouse effect, artwork

Greenhouse effect, artwork. The greenhouse effect is a process by which the Earth warms up. It occurs naturally, but there are concerns that human activities may be increasing its effect, leading to global warming. The surface of the Earth absorbs some solar radiation (yellow arrow), reflects some, and re-radiates some at a longer (infrared, IR) wavelength. Naturally some of this IR passes through the atmosphere back into space, but the build-up of some chemicals in the atmosphere can change its absorbance of radiation. Carbon dioxide, which is emitted by the burning of fossil fuels, is a major greenhouse gas. Global warming could have dire consequences for the planet

© GARY HINCKS/SCIENCE PHOTO LIBRARY