One of the hallmarks of twins is that the babies share a birthday. Sure, occasionally a late-night delivery will result in brothers or sisters being born on either side of midnight, resulting in technically different birthdays, but generally, their special day will always be a shared one. So why in the world do fraternal twins Roberto and Alexandre Antunes have birthdays 24 days apart? Because it was a matter of life or death, and an incredible technique called “delayed-interval birth.” Boston’s WCVB Channel 5 shares the incredible story of these sweet babies’ entrance to the world at Tufts Medical Center. Just watch.