The warming of the oceans means that the plants and organisms used as warning systems for pollution are being rendered ineffective.
A urine test for ovarian cancer could increase survival rates from 20% to 90%.
Cyanobacteria filled the ancient oceans and used chlorophyll to harvest the sun’s energy.
Did you recently hear news that Earth's oldest pigments were hot pink? That's not quite right. When they were in living bacteria a billion years ago, they were performing photosynthesis – and green.
There are genetic difference within and between tumors.
DNA sequencing image via www.shutterstock.com.
Not only are tumors are different from one another, but there can even be genetic differences within a single tumor.
Various tests claim to be able to tell your true age. Here's how they do it.
Scientists have been looking for and finding ways to track various cancers in the blood for some time.
By measuring a cancer cell's DNA in the bloodstream, scientists can get a snapshot of the cancer itself, which is referred as a "liquid biopsy".
Research on animals like the Black Sparrowhawk, using biomarkers, can help map how urbanisation affects animals.
David Berliner/ Flickr
Urbanisation exposes wildlife to new man-made stresses which affect species in a variety of ways.
Turns out we are as old as we feel - and look.
Would you want to know how long you've got left to live? Scientists are getting closer to estimating it.
A world in a drop.
Blood by Shutterstock
Complex algorithms and personalised medicine promise a new way of diagnosing disease.
US researchers have determined a potential marker to identify patients prone to hepatitis C relapse after antiviral therapy…
Missing the biomark.
The media are always fascinated by medical “breakthrough” stories: tales of hope that scientists have found cures for our most threatening diseases and tales of woe that our lifestyles are doing us harm…
Each of the 100 billion nerve cells in the brain makes an average of 1,000 connections with other neurons.
The human brain is the location of personality, emotion, learning and wisdom in a unique individual. It contains 100 billion nerve cells – roughly the same number as there are galaxies in the observable…