The Cretaceous-Paleogene boundary ~65.5 million years ago marks one of the three largest
mass extinctions in the past 500 million years. The extinction event coincided with a large …

… Elemental sulphur can also potentially provide specific UV absorption (Cockell, 1998a). …
This extract is from the epidermis of the desert cactus, Opuntia phaeocantha (CS Cockell, …

… CS Cockell. I should say that in the context of applying these ideas to other planets, it is the
case that owing to the lack of, or the short duration of, plate tectonics on Mars, or indeed, any …

In the coming years and decades, advanced space- and ground-based observatories will
allow an unprecedented opportunity to probe the atmospheres and surfaces of potentially …

This work reviews factors which are important for the evolution of habitable Earth-like planets
such as the effects of the host star dependent radiation and particle fluxes on the evolution …

A radiative transfer model is used to quantitatively investigate aspects of the martian ultraviolet
radiation environment, past and present. Biological action spectra for DNA inactivation …

Inorganic carbon concentrating mechanisms (CCMs) catalyse the accumulation of CO 2 around
rubisco in all cyanobacteria, most algae and aquatic plants and in C 4 and crassulacean …

… (Cockell et al., 2012a). These environments are rare on Earth but can be found, for example,
in fresh lava flows (Cockell, … have existed or exist today (Cockell, 2014a). Several schematic …

It has long been suggested that hydrothermal systems might have provided habitats for the
origin and evolution of early life on Earth, and possibly other planets such as Mars. In this …

… (or in the earlier epochs as well) [see Cockell (2014) for a recent review of martian habitability].
… was also high because of the lack of a protective ozone layer (Cockell and Raven, 2004). …