Simone Bianco and Tom Zimmerman
The wonderful world of life in a drop of water
Danny Hillis
Should we create a solar shade to cool the earth?
Nancy Rabalais
The "dead zone" of the Gulf of Mexico
Mennat El Ghalid
How fungi recognize (and infect) plants
Michael Hendryx
The shocking danger of mountaintop removal -- and why it must end
Kirsty Duncan
Scientists must be free to learn, to speak and to challenge
Frans de Waal
The surprising science of alpha males
Aaswath Raman
How we can turn the cold of outer space into a renewable resource
Rola Hallam
The doctors, nurses and aid workers rebuilding Syria
Lauren Pharr
How vultures can help solve crimes
Enric Sala
Let's turn the high seas into the world's largest nature reserve
