Is it possible to heal the damage we have already done to the Earth?
The Earth is a resilient planet, but people are altering it in ways that may take centuries to reverse.
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What are wormholes? An astrophysicist explains these shortcuts through space‑time
An astrophysicist explains what wormholes are and how these theoretical space-time tunnels have popped up in the solutions to a set of decadesold equations.
Has any US president ever served more than eight years?
Only one president has done so – Franklin Delano Roosevelt – but others considered it, and even tried.
2 knights, 1 horse − how a legendary Knights Templar symbol has puzzled and fascinated since the Middle Ages
Warrior-monks crusaded for Christianity throughout medieval Europe. Adding to the ongoing mystery surrounding the military order is their enigmatic seal.
Mass shootings in America: 4 essential reads
Four articles from The Conversation archive offer insight on mass shootings in America.
Why don’t rocks burn?
Some rocks will burn, and others will melt, depending on how they were formed and what minerals they contain.
Can schools stop students from praying?
Praying in school is protected by the Constitution but only under certain conditions.
What happens if you need to pee while you’re asleep?
A pediatric urologist explains how the bladder and the brain communicate to wake you up when you need to ‘go’ – and how that communication might break down.
Why can’t we throw all our trash into a volcano and burn it up?
Volcanoes might seem like nature’s incinerators, but using them to burn up trash would be dangerous and disrespectful to indigenous people who view them as sacred.
Have we made an object that could travel 1% the speed of light?
The fastest things ever made by humans are spacecraft, and the fastest spacecraft reached 330,000 mph – only 0.05% the speed of light. But there are ways to go faster.
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