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Secondary school students in the United Kingdom with lower initial levels of acceptance of evolution show lower increases in understanding of evolution in response to teaching of the topic than those students with initially higher acceptance scores. These lower-acceptance students are more likely to be in teacher-stratified lower-ability classes and also have lower responses to teaching of genetics.
Genome-wide nucleotide composition varies greatly among species. Here, the authors show that genomic G + C composition is driven by mutation bias but is also modified by natural selection or biased gene conversion.
Savannah faunas developed in a spatially and temporally connected palaeobiome that flourished in the mid Miocene, before fragmenting into Eurasian and African branches in the late Miocene.