The latter presumably evolved a higher level of cooperation, hunting in substantial groups, and consequently complex language, symbolism, and thus intelligence and technological development. (johnquiggin.com)
Autism is complicated, and if you try this on five patients, perhaps it might help two — so if you aren't thoughtful in your [study] design and don't do a fairly substantial group of patients, it's not going to be very useful information.» (scientificamerican.com)
«Theres a pretty substantial group now thats looking at the big picture, beyond just killing weeds,» says Tony Svejcar, a U.S. Department of Agriculture researcher in Oregon. (scientificamerican.com)