What is a neural network? A computer scientist explains
Neural networks can teach themselves how to perform a task after being given basic instructions.
Have we given up on planet Earth?
We are living through a climate emergency that threatens the existence of human life on Earth, while our leaders dream of life on Mars.
6 COVID-19 treatments helping patients survive
There is still no quick cure, but thanks to an unprecedented global research effort, several treatments are helping patients survive COVID-19 and stay out of the hospital altogether.
How COVID-19 vaccines will get from the factory to your local pharmacy
Bahar Aliakbarian describes the vaccine supply chains of Pfizer and Moderna, which are expected to be the two major early suppliers of the COVID-19 vaccines in the U.S.
How does the Johnson & Johnson vaccine compare to other coronavirus vaccines? 4 questions answered
Johnson & Johnson is expected to ship out nearly four million doses as soon as the FDA grants emergency use authorization
It's not just a social media problem – how search engines spread misinformation
Most online services, make money not only by selling ads, but also by tracking users and selling their data through real-time bidding on it.
Growing cannabis indoors produces a lot of greenhouse gases – just how much depends on where it's grown
Policymakers and consumers aren’t paying much attention to environmental impacts of the cannabis industry. In Colorado, the weed industry accounts for 1.3% of the state’s total annual emissions.
Solar technologies can speed up vaccine rollout in Africa. Here's how
Keeping vaccines seamlessly refrigerated is an especially daunting challenge where electricity is unavailable or unreliable
Working with dangerous viruses sounds like trouble – but here’s what scientists learn from studying pathogens in secure labs
There is no such thing as zero risks in any endeavour, but over many years, researchers have developed safe laboratory methods for working with dangerous pathogens.
Backlash against Johnson & Johnson's COVID-19 vaccine is real and risky – here's how to make its rollout a success
The Johnson & Johnson vaccine has been hailed as a game changer.
COVID-19 messages make emergency alerts just another text in the crowd on your home screen
COVID-19-related messages are a new use of this alert system. They indicate changing ideas about what constitutes an emergency and underscore the challenges of public messaging in a personalized media environment.
How can I get the COVID-19 vaccine? Here's what you need to know and which state strategies are working
The Biden administration has promised to help alleviate some of the underlying problems, particularly vaccine shortages in some areas and inconsistent deliveries that have upended appointment scheduling.