I write about life sciences, health and the environment. My first book "The Genesis Quest" is about how life on Earth began.
Is NHS 111 making Emergency Department overcrowding worse?
As 'corridor care' becomes routine in hospitals across the UK, Doctors.net.uk examines whether the telephone triage service is truly part of the problem, as many emergency medics fear
Ancient humans were seafaring far earlier than we realised
Thousands of years before the invention of compasses or sails, prehistoric peoples crossed oceans to reach remote lands like Malta and Australia
This virus infects most of us – but why do only some get very ill?
The ubiquitous Epstein-Barr virus is increasingly being linked to conditions like multiple sclerosis and lupus. But why do only some people who catch it develop these complications? The answer may lie in our genetics
Stick shaped by ancient humans is the oldest known wooden tool
Excavations at an opencast mine in Greece have uncovered two wooden objects more than 400,000 years old that appear to have been fashioned as tools by an unknown species of ancient human
Does limiting social media help teens? We'll finally get some evidence
A trial will finally reveal whether limiting the time teens spend on social media really does affect their mental health
Ape-like hominin Paranthropus was more adaptable than we thought
A fossil discovery in northern Ethiopia expands the known range of Paranthropus, a genus of strong-jawed hominins that lived around 2 million years ago, and suggests they lived in a range of habitats
Revealing the epic story of ancient humans: Best ideas of the century
Since the turn of the millennium, our understanding of our ancestors and extended cousins has shifted dramatically, thanks to a swathe of surprising archaeological discoveries
Celebrity-endorsed whole body MRI scans: medical advance or healthcare burden?
Whole-body MRI screening is booming in the private sector, yet radiologists and health economists say the scans will inevitably find abnormalities that lead to needless worry, wasteful investigations and diverted NHS resources
Fossil may solve mystery of what one of the weirdest-ever animals ate
Hallucigenia was such an odd animal that palaeontologists reconstructed it upside-down when they first analysed its fossils - and now we may know what it ate
The hunt for where the last Neanderthals lived
Clues from studies of ancient plants and animals have helped archaeologists pin down where the last Neanderthals found refuge
How did birds evolve? The answer is wilder than anyone thought
Discoveries in Jurassic rocks reveal that birds were adept fliers earlier than scientists realized
What if the idea of the autism spectrum is completely wrong?
For years, we've thought of autism as lying on a spectrum, but emerging evidence suggests that it comes in several distinct types. The implications for how we support autistic people could be profound
Can a new book crack one of neuroscience's hardest problems? Not quite
The ideas presented in George Lakoff and Srini Narayanan's The Neural Mind are fascinating, but the writing is far less compelling
Chronic fatigue syndrome seems to have a very strong genetic element
The largest study so far into the genetics of chronic fatigue syndrome, or myalgic encephalomyelitis, has implicated 259 genes – six times more than those identified just four months ago
How these strange cells may explain the origin of complex life
The Asgard archaea bear traits that hint at how eukaryotes first emerged