Genetics could explain how traumatic events affect people’s health

There could be a genetic explanation for why some people are more susceptible to ill health following traumatic life events such as a natural disaster. Image credit - Pfc. Nicholas T. Howes, USMC

by Kelly Oakes Facing the death of a loved one, being given a life-threatening diagnosis, or living through a natural disaster is difficult enough. But those who get through these traumatic life events often face further ill effects. Someone’s chances of developing post-traumatic stress disorder (PTSD), depression, and anxiety all increase after being exposed to significant … Read more

What’s the most urgent action we need to take in 2020?

The 2020s should be a turning point where the world averts impending disaster, according to Sandrine Dixon-Declève. Image credit - Pxfuel, licensed under CC0

by Annette Ekin Declaring a global planetary emergency, improving sub-volcanic imaging to predict eruptions and developing artificial intelligence that works for humans are some of the urgent actions and research that experts in different fields want to see in 2020. Horizon asked a selection of scientists featured in the magazine last year for their opinion on … Read more

Our top 12 science facts from 2019

Image credits - PlanetMallika/ Pixabay; Pablo Trincado, licensed under CC BY 2.0; Image credit - Pixnio/ Janice Haney Carr, Jeff Hageman, M.H.S, USCDCP, licensed under CC0; Virpi Lummaa

by Josefine Kroll From bacterial invisibility cloaks to unexpected dinosaur colors, Horizon uncovered some fascinating facts in 2019. Here are our 12 favourites. 1. Meerkats live in cooperative societies where only one female is allowed to breed  2. There may be no free-flowing rivers left in Europe 3. Our idea of dinosaur colours may be completely wrong 4. Elephants … Read more

We need to talk about CRISPR

We need powerful global legislation to prevent the misuse of CRISPR technology by rogue scientists and countries. Image credit - Piqsels, licensed under CC0

By Vittoria D’Alessio We need an active public debate on the ethics of gene editing technology to realise its potential and prevent it being used in nefarious ways, for example by the military and amateur scientists, and to take cultural differences into account, according to Professor Christiane Woopen, executive director of the Centre for Ethics, Rights, … Read more