Forbes contributors publish independent expert analyses and insights. Tim Newcomb covers tennis gear/business, stadiums and shoe tech. Classic canvas popular in tennis in the 1980s and the stonewashed ...

Multiple births are becoming more common than they were in the past. Many women are waiting longer before having children than they did in previous generations. Fertility treatments and modern ...

Medical researchers have obtained a breakthrough in identifying genes that increase the chance for mothers to have dizygotic twins. Researchers believe the findings represent a significant advance in ...

U.S.-based independent footwear brand Dizygotic is teaming up with New York style icons and twin siblings Dee and Ricky for a new limited-edition sneaker drop which melds the duo’s signature mix of ...

One of professional wrestling’s most decorated performers will hang up their boots — or more specifically, sneakers — tonight when John Cena has his final match on WWE’s Saturday Night’s Main Event ...

Sesquizygotic multiple pregnancy is an exceptional intermediate between monozygotic and dizygotic twinning. We report a monochorionic twin pregnancy with fetal sex discordance. Genotyping of amniotic ...

Wrestler-turned-actor John Cena had his last WWE match last week on Saturday Night’s Main Event. The guy had done this for 26 years. And he still looked good doing it. Right before the match, ...

THIS paper is concerned with the question of whether the father plays any part in the occurrence of twins among his children. Stern 1 has pointed out that "the genetic interpretation of typical ...

Twinning has fascinated human beings over the centuries. Twins are relatively common and occur more than 1 time per 100 maternities. Roughly two-thirds of all twin pairs are dizygotic or non-identical ...