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We're Only Beginning To Understand Why Humans Have a Skewed Sex Ratio

The ratio of newborn boys to girls slightly and consistently leans toward males: around 106 boys are born for every 100 girls. If that seems odd to you, it should: the way sperm form suggests that the ratio of X-sperm to Y-sperm should be exactly 50:50–and scientists are only now beginning to understand why the skew… » 8/20/15 9:30am 8/20/15 9:30am

Are Limited Lifespans An Evolutionary Adaptation?

Since the time of Darwin, evolutionary biologists have wondered why the lifespans of different species vary so significantly. A new model now suggests that the life expectancy of any given species is a function of evolutionary pressures — a conclusion that hints at the potential for powerful anti-aging interventions… » 6/12/15 1:00pm 6/12/15 1:00pm

New Simulation Shows How The Pacific Islands May Have Been Colonized

The 24 major island groups of the Pacific Ocean were settled by early Austronesians between 3,500 and 900 years ago, but little is known about how these isolated islands were colonized. Now, researchers have used epidemiological modeling to devise some compelling new ideas about how it was done.
» 4/24/15 10:20am 4/24/15 10:20am

How Much Do Gawker Readers Trust Meteorologists? Gawker's Weather Survey

How much do Gawker readers trust meteorologists? What do they think of The Weather Channel? We asked, and you answered. Thousands of readers clicked through to take our survey aimed at studying your habits and opinions when it comes to the weather. Let's take a look at the results. » 12/04/14 11:40pm 12/04/14 11:40pm

We Don't Know How Many Americans Are Killed Each Year By The Police

The recent fatal shooting of a black teenager by a police officer in Missouri has prompted media inquiries into the number of people killed by police each year. The FBI says there are around 400 "justifiable police homicides" annually. But a statistical analysis says that figure is likely understated. » 8/20/14 7:40am 8/20/14 7:40am