Science
-
The doctor who put medicine before magic
Was Hippocrates the first modern doctor? A controversial new book argues that the ancient Greek physician established the principles of medicine as we know it as long ago as 470 BC.
-
Crocodile tears unlock the secrets of crying
Are human tears unique? Reptile tears are remarkably similar to our own and may help us treat eye diseases. But some argue there is a big difference between animal tears and human crying.
-
Coming soon – the day when we live forever
Should we be excited about the future? A podcast by academic technologist Balaji Srinivasan has caused a stir with its vision of how our lives will be transformed in the ultra-digital age.
-
Mutant bugs released to fight disease
Is it wrong to release modified mosquitoes into the wild? Supporters say genetically altered insects could eradicate deadly diseases, but opponents are warning of dangerous consequences.
-
Rare space rock holds secret to life on Earth
Do meteorites contain the building blocks for life? Scientists have found organic molecules in a 4.5 billion-year-old meteorite, raising the possibility that life came from outer space.
-
Zero: the idea that changed the world
Has the number “zero” done more to advance humanity than any other idea? Many mathematicians think so – for, without zero, we could not ponder either the concepts of the void or the infinite.
-
Shock turns to anger after Beirut explosion
Should ammonium nitrate be banned? The deadly explosion in Lebanon is just the latest caused by a common fertiliser. Some say it is essential to modern farming. But others want it outlawed.
-
SpaceX capsule first splashdown in 45 years
Will Moon tourism be normal in 20 years’ time? For some, yesterday’s historic success of a manned commercial space mission is the start of a new era. But predictions are nearly always wrong.
-
Bioprinting to fight cancer – and Covid-19
Could printed human organs help end disease forever? In an amazing breakthrough, scientists are creating tiny replicas of human organs – some as small as a pinhead – to test new treatments.
-
America promises to open up the X-files
Should the USA’s secret UFO unit go public? The Pentagon has said that it will publish some of its findings for the first time – but some believe that this would be a dangerous mistake.
-
‘Mind-blowing’ new AI can do ‘almost anything’
Should we be worried by AI? A groundbreaking program called GPT-3 can learn almost anything without human help. The possibilities are limitless, but some are saying so are the risks.
-
Close-up reveals tiny ‘campfires’ on the Sun
How do we know the Sun will rise tomorrow? Thanks to stunning new satellite images, we know more about the Sun than ever. But we are still no closer to solving the deepest problem of all.
-
Experts predict ‘jaw-dropping’ fertility crash
Is this a good thing? Scientists say we have greatly overestimated population growth. While environmentalists might be happy, a lack of young people could also lead to terrible consequences.
-
Earth to invade Mars with a summer of rockets
Are we all Martians? Three spacecraft will soon begin a hazardous journey to the red planet in search of life. Some dream of colonising Mars – but the Martians may already have colonised us.
-
Scientists baffled as monster star vanishes
Are you literally a star? It is a fact that humans are made of stardust. Nearly all the elements in our bodies were made in a star – and will eventually be returned to a “cosmic ash heap”.