“While the human penis functions primarily to transfer sperm, our result suggests its unusual large size evolved as a sexual ...

Experts say the Trump administration is using foreign aid to impose anti-human rights ideology globally ...

Beyond Arusha, the safari capital of northern Tanzania, the road heads toward Kenya. Shortly before reaching Longido, a dirt ...

If you have ever lifted a weight, you know the routine: challenge the muscle, give it rest, feed it and repeat. Over time, it ...

Hidden RNA signals in sperm reveal an "aging cliff" that could impact offspring health.

Yengde is right that India cannot fix sanitation without confronting caste psychology India also cannot fix sanitation ...

During pregnancy, maternal and fetal cells migrate back and forth across the placenta, with fetal cells entering the mother's bloodstream and tissues. They can settle in maternal organs such as the ...

Trophy hunting interests are turning the screw on northern Tanzania's Maasai communities and wildlife paradise. Meanwhile, ...

Endometriosis is a prevalent yet underdiagnosed disease affecting a large population of women of reproductive age, with a ...

Coyotes are often described as adaptable survivors that thrive wherever humans live. That description, while accurate, leaves out an important part of their lives. Research over the past decade has ...

City environments subject animals to noise, light, crowding, and fragmented habitats that subtly but powerfully reshape how they communicate.

The new US guidelines, with their narrow focus and lack of clarity, will be difficult to implement. In any region where there’s an oversupply of high-calorie, low-nutrient foods and an undersupply of ...