Social media site monitors users' profiles to predict criminal activity, and gives the data to police
Border Patrol sensors are bedeviled by aging hardware and false alarms
A proposed fertility technique would create children with genes from three parents
Experts defend barefoot running shoes despite new evidence indicating the footwear could promote bone injury
Police in some jurisdictions have the right to search a suspect’s cellphone during an arrest
Will an ambitious water project revive a sinking salty sea?
