Five things you need to know today

1 Eddy Arnold, one of the most successful country singers in history, died Thursday morning, days short of his 90th birthday.

2 Facebook is adding more than 40 new safeguards to protect young users from sexual predators and cyberbullies, attorneys general from several states said Thursday.

3 "CSI" co-star Gary Dourdan has been charged with felony possession of heroin, cocaine and ecstasy stemming from his arrest last month.

4 Remains of meals dated to more than 14,000 years ago found in Chile may offer the earliest evidence of humans in the Americas.

5 Humans have either buried or burned their dead. Now a new option is generating interest - dissolving bodies in lye and flushing the residue down the drain, a process called alkaline hydrolysis.