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Human BehaviorWhy do kids eat their boogers?
HealthTooth-in-eye surgery, ‘blood chimerism,’ and a pregnancy from oral sex: 12 wild medical cases we covered in 2025
Health’There’s no reason to ban us from playing’: Analysis debunks notion that transgender women have inherent physical advantages in sports
Human EvolutionRemote region in Greece has one of the most genetically distinct populations in Europe
Viruses, Infections & DiseaseThe ‘mono’ virus raises the risk of MS and cancer in some. 22 genes hint at why.
Land Mammals’A forest with bonobos has never been so quiet’: Most extreme case of violence in ‘hippie’ species recorded, with females ganging up on male in unprecedented attack
Land Mammals’Part of the evolutionary fabric of our societies’: Same-sex sexual behavior in primates may be a survival strategy, study finds
Human Evolution’An extreme end of human genetic variation’: Ancient humans were isolated in southern Africa for nearly 100,000 years, and their genetics are stunningly different
MicrobiologyMicrobes in Iceland are hoarding nitrogen, and that’s mucking up the nutrient cycle
Viruses, Infections & Disease’Nose-in-a-dish’ reveals why the common cold hits some people hard, while others recover easily
Human EvolutionModern humans arrived in Australia 60,000 years ago and may have interbred with archaic humans such as ‘hobbits’
Heart & CirculationMen develop cardiovascular disease 7 years before women
Fertility, Pregnancy & BirthRisk of death from pregnancy in the US is 44 times higher than that from abortion, new analysis reveals
HIV’DNA origami’ could be key for making an effective HIV vaccine, early study hints