All babies have their own timetable, but you can watch for certain developments in your 6 - month - old. (enfamil.com)
At age 8, your child will hit certain development milestones. (webmd.com)
We overview problems and prospects in ocean circulation models, with emphasis on certain developments aiming to enhance the physical integrity and flexibility of large - scale models used to study global climate. (gfdl.noaa.gov)