Earlier this week we saw a breakthrough in this field: A group of researchers published in the journal Cell proof that they had created embryonic stem cells through cloning.
You probably feel pretty attached to your memories -- they're yours after all. But one conversation with Elizabeth Loftus may shake your confidence about everything you think you remember.
Flesh-eating bacteria amputee Aimee Copeland now uses the latest technology in prosthetic hands to chop vegetables, pick up tiny items like Skittles, and comb and iron press her hair.
Nicknamed the "kissing disease," mononucleosis or glandular fever is a viral illness that can linger for weeks, months or even years. CNN investigates its prevalence within the sport of tennis.