A new explanation for the origins of human fatherhood

Humans differ from other primates in the types and amounts of care that males provide for their offspring. The precise timing of the emergence of human "fatherhood" is unknown, but a new theory proposes that it emerged from ...

Graph theory helps biologists study homeostasis

Healthy human bodies are good at regulating: Our temperatures remain around 98.6 degrees Fahrenheit, no matter how hot or cold the temperature around us. The sugar levels in our blood remain fairly constant, even when we ...

African swine fever decimates Philippine pig stocks

African swine fever (ASF) sweeping through the Philippines has wiped out over a third of the country's pig stocks, threatening food security in a country already reeling from the economic impact of the COVID-19 pandemic.

NASA unveils 'Mars' habitat for year-long experiments on Earth

Four small rooms, a gym and a lot of red sand—NASA unveiled on Tuesday its new Mars-simulation habitat, in which volunteers will live for a year at a time to test what life will be like on future missions to Earth's neighbor.

It's time environmentalists talked about the population problem

In all the talk of tackling environmental problems such as climate change, the problem of population growth often escapes attention. Politicians don't like talking about it. By and large, neither do environmentalists—but ...

page 2 from 40