4 Questions

1)Find out the 2 most recent cases (In the last 2 weeks) that the field museum or the Smithsonian has been sued and for what and that if they re-turned the artifact to the rightful owners?

2)Find out what the impact of polio have on our bones?

3)Find out an update on the Neandertalls (a separate species)? Did they have speech (were they physically talking) 

4)Archicebus? Achilles? Tell me how far back do these species go?