Water on Mars: Does this mean life existed?

Water on Mars: Does this mean life existed?

By Jonti Horner After the recent discovery of a large liquid water lake on Mars Jonti Horner explores what this means for the ongoing quest to find life on the red planet. We now know that there is permanent liquid water on Mars, according to a paper published last...
Pulling all-nighters may damage your brain

Pulling all-nighters may damage your brain

By Hannah Thomasy Doctoral candidate Hannah Thomasy discusses the impacts of all-nighters on the brain. Is staying up late a health-risk? For decades, scientists have suspected that there is a connection between poor sleep and neurodegenerative diseases like...
Who owns the moon?

Who owns the moon?

By Frans von der Dunk A space lawyer takes up the challenge to answer the question of who owns the moon. Most likely, this is the best-known picture of a flag ever taken: Buzz Aldrin standing next to the first U.S. flag planted on the Moon. For those who knew their...
After Mugabe, who will hold power in Zimbabwe?

After Mugabe, who will hold power in Zimbabwe?

By David B. Moore David B. Moore previews the Zimbabwe general election as the African nation looks forward to life without Robert Mugabe. Zimbabwean President Emmerson Mnangagwa and the ruling Zanu-PF hope a credible victory in the July 30 election will legitimise...
Should you let your dog lick your face?

Should you let your dog lick your face?

By Jennifer Tsang Dogs stick their noses in everything, but many people believe their saliva is beneficial. Dog licks have been considered medically beneficial to humans for millennia. In ancient Egypt, dogs were used in healing practices since they believed that dog...
Peace between Eritrea and Ethiopia, explained

Peace between Eritrea and Ethiopia, explained

By Martin Plaut After twenty years of conflict Eritrea and Ethiopia have finally made peace. Martin Plaut explains how it happened and what this means now for the two countries. This week Ethiopian Prime Minister, Abiy Ahmed visited neighbouring Eritrea, to be greeted...