But if I have found learning new ways of working and new science challenging, they have been above all inspiring. (sciencemag.org)
But our best thinkers, looking for interesting, well - paid work, are all too easily tempted away from applying their skills to the big science challenges of the 21st century. (newscientist.com)
94 Computer science challenge cards that can be used to extend students. (tes.com)