Author Sam Shead

Sam Shead

Recent articles by Sam Shead

Does Jupiter really protect us from cosmic impacts?

There has been little proof to the long-held claim that Jupiter's powerful gravity helps deflect incoming debris, but do simulations show Jupiter playing protective big brother to Earth?
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Can you really go blind by staring at the Sun?

You might not go blind by staring at the Sun, but please don't test it!
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Can two people have the same DNA?

The possibility of having a secret DNA sharing twin is pretty low.
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Will flying cars ever become a reality?

Zooming around the skies in your car is still far off.
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Why does eating soup make me feel so full?

Eating soup can keep you feeling fuller for longer thanks to its high water volume. So, why doesn't drinking water with your meal have the same effect?
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How do animal bones decompose?

Bones do decay, just at a slower rate than other organic material. Depending on the conditions, this process usually takes a few years.
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Have Freud’s theories been largely refuted?

Many ideas from the Austrian 'father of psychoanalysis' are shrouded in controversy - but are there any theories that modern psychologists agree on?
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Are near-death experiences just hallucinations?

A bright light or a long tunnel? Near-death experiences has mystified scientists for many years.
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Which animal has the smallest heart?

The heart of this creature is so small it's like something out of a fairy tail...
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Which human blood group evolved first?

With several competing theories, it's difficult to establish a timeline of how the different blood groups evolved and pinpoint which one came first.
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Can computers make discoveries?

Technically they have already done it, although it was some 250 years later than us humans.
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What is the solar wind made of?

Solar wind is more exotic than we ever imagined...
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Is there a pill that treats HIV?

In 2005 approximately 2 million people died due to AIDS-related illnesses, due to progression in treatment for HIV, these AIDS-related deaths declined to around 1.1 million in 2015*.
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Why do we give flora and fauna Latin names?

The 18th-century Swedish naturalist Carl von Linné, systematised the hierarchical grouping of different plants and animal species.
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