A simplified Tree of Life summarising the evolutionary relationships among a broad selection of living organisms. Shutterstock/Zern Liew

How to grow an evolutionary tree

Charles Darwin was one of the first to show connections in the variety of life by using a rough evolutionary tree. Things have developed quite a bit since then.
Lots of scientists see things in different ways, but that doesn’t undermine its authority. Dan Tentler/Flickr

Why should we place our faith in science?

Deep disagreements within science might seem to undermine its authority, but they only underscore how science really works.
A Liberian health worker disinfects a street corner where a suspected Ebola patient was picked up by an ambulance. EPA/Ahmed Jallanzo

Infection projections: how the spread of Ebola is calculated

The number of reported Ebola cases is doubling roughly every five weeks in Sierra Leone, and in as little as two to three weeks in Liberia. The number of reported cases globally is projected to reach 10,000…
Spotting nests from the air may be the best hope of eradicating fire ants. © The State of Queensland (Department of Agriculture, Fisheries and Forestry) 2010–2013

Eradicating the red imported fire ant with remote sensing

Recently we reported on the issue of red imported fire ants in Brisbane – a pernicious pest, first detected in Queensland in 2001, that affects agricultural crops, native species and human health. Although…
Can mathematics help eradicate fire ants from Brisbane? Storm_XL

Eradicating the red imported fire ant by numbers

Since first being detected in Brisbane, Queensland, in 2001, red imported fire ants (Solenopsis invicta) have shown themselves to be an extremely damaging invasive pest, affecting agricultural crops, native…
You could fill this with coffee … or the equivalent of millions of DVDs. raindog/Flickr

DNA data storage: 100 million hours of HD video in every cup

Biological systems have been using DNA as an information storage molecule for billions of years. Vast amounts of data can thus be encoded within microscopic volumes, and we carry the proof of this concept…