Dr Helen Scales

Marine biologist and science writer

Dr Helen Scales is a marine biologist, broadcaster and science writer. She is the author of Spirals in Time and Eye of the Shoal.

Recent articles by Dr Helen Scales

Do fish ever get bored in fish tanks? © Getty Images

Do fish ever get bored in fish tanks?

How do octopuses move their limbs if they have no bones? © Getty Images

How do octopuses move their limbs if they have no bones?

Do fish feel pain? © Getty Images

Do fish feel pain?

How we can save the oceans, and how they can save us © Alamy, Getty Images

How we can save the oceans, and how they can save us

How do fish know who they are? © Dan Bright

How do fish know who they are?

Getty © What's the difference between a shoal, a school and a pod?

What’s the difference between a shoal, a school and a pod?

Gotta scan 'em all: 9 other-worldly CT scans of fish © Adam Summers

Gotta scan 'em all 9 other-worldly CT scans of fish

The Plastic Age © Alamy

The Plastic Age The Plastic Age

How safe are our Marine Protected Areas? (A marine debris team collects fishing nets that have been abandoned in the Papahānaumokuākea Marine National Monument © NOAA)

How safe are our Marine Protected Areas?

Can marine animals get the bends? © Getty Images

Can marine animals get the bends?

Why does an octopus have more than one heart? © Getty Images

How many hearts does an octopus have?

How does ocean acidification impact marine life? © Getty Images

How does ocean acidification impact marine life?

Why isn't thorium used for nuclear power? © Getty Images

Future Technology

Why isn’t thorium used for nuclear power?

Are fish in a shoal all the same age? © Getty Images

Are fish in a shoal all the same age?

How the RI Christmas Lectures changed science for kids © RI/Keystone

How the Ri Christmas Lectures changed science for kids