When and why did humans start using tombstones?

As grave markers, tombstones offer a focus for mourning and commemoration. Typically made of stone and usually engraved with the deceased's name, date of birth and death, they also often carry inscribed tributes. They've ...

How do we know that time exists?

The alarm goes off in the morning. You catch your morning train to the office. You take a lunch break. You catch your evening train back. You go for an hour's run. Eat dinner. Go to bed. Repeat. Birthdays are celebrated, ...

New report sheds light on cross-border displacement

The number of people compelled to flee their homes because of conflict or mass disasters such as floods and earthquakes has almost doubled over the last 10 years. Of these displaced individuals, approximately 40% have been ...

Beating the heat becoming more difficult, science says

An intense heatwave swept across Europe in July. The scorching heat fuelled fires in Spain, France and Portugal. With the thermometer topping 40 °C, the United Kingdom (UK) was the center of attention after breaking temperature ...

Why don't insects freeze solid in the Arctic?

Life in the Arctic is harsh. Arctic temperatures are punishing, making life difficult for many animals to survive. Yet lots of insects, including mosquitoes, manage to thrive in the frozen region. So why don't they freeze ...

Why can't snakes blink?

Spoiler alert: if you ever find yourself engaged in a staring contest with a snake, you'll lose.

Introducing the largest quantum photonic processor to date

Quantum computers promise to propel computing far beyond what today's computers are capable of, but this potential has yet to be realized. In their search for a way to demonstrate quantum supremacy, researchers working in ...

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