Dec 22, 2021
"Rudolph the red-nosed reindeer, had a very shiny nose..." Many of us will be very familiar with Santa's famous antlered friend. But did you know that many reindeer actually do have red noses? But why? In this festive episode of the Big Questions Podcast, we ask Oxford polar biologist Ignacio (Nacho) Juarez Martinez to...
Dec 8, 2021
Online communication channels are popular, to say the least. For instance, there are 187 million active Twitter users per day alone. Sadly, these open channels of communication also open up the potential for harm, through online hate speech. The problem is so large that we require AI to help detect it. But what about...
Nov 24, 2021
In the early days of the COVID-19 pandemic there was a lot of confusion, as we all tried to figure out what we should and shouldn't do to best protect ourselves and others. Fortunately, we now have more definitive answers to some of our most pressing questions - which are backed-up by data - including "umm...should I be...
Nov 12, 2021
Satellites have been orbiting our planet for the past few decades. We might be familiar with how they can be used to track weather, or beam television and phone signals around the world. But did you know, that by capturing images of the Earth outside the visible spectrum, they're able to offer a unique perspective of...
Nov 3, 2021
From California to Greece to Australia, it seems like every time we switch on the news there's another wildfire report. Some fires are natural - in fact, they're a fundamental part of many ecosystems - but the severity and frequency of the wildfires we are now witnessing is beyond natural levels. Human-ignited...