Another species of human discovered – and what it means for us

I was intrigued by reports last week on the discovery of a previously unknown extinct human species, Homo luzonensis, in a cave in the Phillipines. It’s the fourth new human species – genus Homo – discovered in the past twenty years. All are extinct, and much clearly remains to be revealed, but it’s nonetheless clear … More Another species of human discovered – and what it means for us

The science behind the awesome black hole photograph

It’s been a hot week for science. Thanks to the Event Horizon Telescope, an algorithm created by 29-year old PhD graduate Katie Bouman, and a lot of hard work, humanity got its first photo of a black hole – M87 in the galaxy Messier 87, some 55 million light-years away. It wasn’t made with visible … More The science behind the awesome black hole photograph

Our solar system may be unique – let’s look after it

There’s growing evidence that not just our Earth but also the solar system we know and love is actually a rarity, as such things go. Many stars, we now learn, have planetary systems. But very few are like ours. That’s a change from even the mid-twentieth century, when we considered our solar system to be … More Our solar system may be unique – let’s look after it