Crippled and gigantic, a tadpole-shaped galaxy
An enormous discovery prompts a rethink on the maximum size of disrupted star systems. Andrew Masterson reports.
Alien intelligence
In this issue: Inside an alien mind – The plastic problem – Calling the stem cell race – Gallery: fossils in amber – No fungi, no us – Science predicts extreme weather
issue
Brian Cox contemplates standing for parliament
Scientists have a duty to speak out and tackle big issues, the physicist and presenter says. He spoke to Andrew Masterson.
Mathematicians zero in on the birth of Hypatia
Probability theory deployed to recalculate the birth date of antiquity’s most famous female scholar. Gabriella Bernardi reports.
Science history: Kepler’s optics and orbits
In a time of witch trials, Johannes Kepler was a champion of reason. Jeff Glorfeld reports.
A cancer and its food supply
Researchers find surprise involvement of fat receptor.
