British species; the speckled wood (Pararge aegeria) and the gatekeeper or hedge brown (Pyronia tithonus). The researchers have looked at the patterns of genetic variation in these two species, both of which have been expanding their British distributions over the past 60 years. Both species have broadly similar dispersal ability, the researchers note, but differ in their habitat requirements. ...

Survival novels provide a host of attractions for children. On continuum danger, they are the high-risk counterparts adventure narratives.Characters in survival face not just adversity and risk, but also potential death. The fast pace high drama these narratives have always made them popular choices

St.udying children wit.h Down syndrome (DS), Lenneberg (1967) would argue, should be a wonderful way t.o st.udy language development.. Rat.her t.han t.racking t.he rapid progress of non-handicapped children t.hrough development.al st.ages, one could choose a level of int.erest. and examine it. at. a leisurely pace, for exactly t.he same effect. Despit.e subst.ant.ial delays in t.he onset. and t...

the reason why children are more prone to a dog bite is elusive. some propose the theory that a young child who is playing can be interpreted as aggressive by the dog. however, the fact that in some reports children were killed by dogs while asleep proves that this theory does not hold in all cases. in this case, a 9-year-old boy was attacked by 8 different races of dogs escaping from a serolog...