Indigenous peoples burned their land for thousands of years to prevent much larger fires. It might be an important part of future wildfire prevention. Plus, a new film explores the extraordinary life of neurologist and writer Oliver Sacks. And some birds use the sound their feathers make as a communication tool.
Plus more science news for the week, including the chemical linked to Beirut’s explosions.
Scientists search for tiny but mighty bacteria with medical value.
A genetic breakthrough in squid research opens a new world for scientists.
Astronauts just bioengineered human cells on the International Space Station.