COMMENT: Do teenagers spend too much time on their screens?

Fossil find in Israel indicates modern humans may have left Africa earlier than thought.

COMMENT: Volunteers who slept more ate on average 10g less per day of free sugars.

Crawling babies kick up clouds of "biogunk" - but that's not necessarily a bad thing.

Ridding NZ of rats and possums will be good for us, as well as our prized native wildlife.

Sleeping for longer each night can help us eat healthier, scientists say.

COMMENT: Cutting back on alcohol consumption can be a lifesaver.

What could DNA preserved in residents of Indonesian villages mean for NZ? Quite a lot.

COMMENT: Something called blockchain could transform how our information is stored.

Study targeting Maori and Pacific kids could lead to better treatment for killer disease.

Excessive exposure to UV radiation will burn the skin and can lead to skin cancer.

In our Science Made Simple series, we talk to top microbiologist Dr Heather Hendrickson.

Confused about sunscreen controversy? Dr Sharad Paul explains what you need to know.

Why do men and women suffer stress differently? Brain researchers aim to solve the puzzle.

"Because I was white, I thought I might have to overcompensate."

Was St Nicholas a legend or was he a real person? Scientists have evidence for the latter.

A young researcher is unravelling what could prove a crucial part of Alzheimer's disease.

From rockets and earthquakes to weather chaos, here are the top science stories of 2017.

COMMENT: For baby's brain to benefit, read the right books at the right time.

New Zealand isn't prepared enough for the next big pandemic, public health experts argue.

There's a new twist to the perennial argument about which is smarter, cats or dogs.

Do we have to accept what we've got when it comes to sensory perception?

Is not buying into conspiracy theories simply a matter of cognitive ability? Not so.

The twins are now so close that scientists are watching their every move.

As a person's life comes to an end, experts reveal the trauma of the "existential slap".

OPINION: Lack of sleep could have serious consequences.

Disdain for facts is "the greatest threat to our civilisation" says British physicist

Faye Braddock sufferer of multiple sclerosis talks about her success with new stem cell treatments.

An expert's guide to the perfect blow dry using science.

A sea creature that regenerates an entire new body may mean big things for human healing.