Sun may determine lifespan at birth, study finds

Could the Sun be your lucky—or unlucky—star? In an unusual study published Wednesday, Norwegian scientists said people born during periods of solar calm may live longer, as much as five years on average, than those who ...

Why the switch from foraging to farming?

Thousands of years ago, our ancestors gave up foraging for food and took up farming, one of the most important and debated decisions in history.

Genes show one big European family

From Ireland to the Balkans, Europeans are basically one big family, closely related to one another for the past thousand years, according to a new study of the DNA of people from across the continent.

Tokyo trials digital billboards that scan passers-by

Digital advertising billboards being trialled in Japan are fitted with cameras that read the gender and age group of people looking at them to tailor their commercial messages.

Is there a natural limit to how long humans can live?

Humans may live longer and longer, but eventually we all grow old and die. This leads to a simple question: is there an intrinsic maximum limit to human lifespan or not? There are two equally simple answers. Either there ...

The unstable future of a world full of men

As the global population hits seven billion, experts are warning that skewed gender ratios could fuel the emergence of volatile "bachelor nations" driven by an aggressive competition for brides.

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