New mRNA vaccines use genes from the coronavirus to produce immunity. Andriy Onufriyenko/Moment via Getty Images

How do mRNA vaccines work – and why do you need a second dose? 5 essential reads

So far, most vaccines in the US are mRNA vaccines. These represent a new technology and are likely to take over the vaccine world. But how do they work? What are their weaknesses? Five experts explain.
Deleon Gambel, 14, fights the current from the overflow of Buffalo Bayou as he makes his way through floodwaters from Tropical Storm Harvey while checking on neighbors in his apartment complex in Houston, Sunday, Aug. 27, 2017. AP Photo/LM Otero

Response to natural disasters like Harvey could be helped with game theory

The number of natural disasters around the world has doubled since 1980, raising serious questions about how to respond. Here’s how game theory could help.
FirstNet could relieve emergency workers of having to carry multiple radios and other communications devices. AP Photo/Ric Francis

FirstNet for emergency communications: 6 questions answered

A multibillion-dollar effort is just beginning to build an all-new nationwide wireless broadband network for emergency responders. How will it work, why do we need it and how will it last 25 years?
Buddhist monks and family members of victims of the Fukushima tsunami and earthquake face the sea to pray on March 11, 2016 while mourning the victims of the March 11, 2011 disaster. REUTERS/Kyodo

How disaster relief efforts could be improved with game theory

March 11 marks the anniversary of the Fukushima earthquake. Natural disasters here in the US also have wreaked havoc. There may be a way to improve response to these natural disasters.

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