Questions with the keyword 'ageing'

• why do we get smaller as we get older??? by miabrady to Jess, Christina Comments: (No comments so far )
• How come some animals live longer then humans?Why?How? by petsrcool to Christina, Colin, Jess, Samaneh, Steve Comments: (No comments so far )
• Why does the average human only live until about 80? by caitlingriffin1994 to Christina, Colin, Jess, Samaneh, Steve Comments: (No comments so far )
• do we age in space? by sfowler to Christina, Colin, Jess, Samaneh, Steve Comments: (No comments so far )