Living fossils: Long live the Horseshoe Crab
These arthropods are living fossils, practically unchanged in 445 million years. Born survivors, they have endured countless major changes on Earth, but we’re only just beginning to understand them.

Do-it-yourself science projects: make a pinhole camera
To print this project, click on the image and select print in your file menu. Find more great DIY projects from Science Illustrated on our DIY page.
Video: Wombat in the wild
Native Australian wombats are notoriously shy creatures, and sadly they are more often seen dead by the side of the road than they are alive in the wild.
Reengineering Earth: geoengineering may alleviate the impacts of climate change
According to the US National Climatic Data Centre, the world is getting warmer. Since the beginning of the 20th century, the average global temperature has risen by 0.76ËšC, and the past decade is…
Black hole our galaxy’s darkest secret
At the very heart of our galaxy lies a black hole with a mass of 4 million suns. But stay calm ““ it is 26,000 light years away and has negligible influence at…
The shrinking giant: Time is running out for the Asian Elephant
Elephants may be the largest land mammal, but their presence is shrinking. We investigate the plight of Asian elephants on the world’s busiest continent.
Meet the seahorses of Sydney Harbour
Sydney has arguably the best marine life of any major city on the planet and is the easiest place in the world to come face-to-face with seahorses in the wild.
World’s smallest radio may cure blindness, detect harmful chemicals
Nanoradios work by using physical vibrations. They won’t change how we listen to music, but they could have a significant impact on the world of medicine.