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Flooding is seen in the Manayunk section of Philadelphia after the remnants of Hurricane Ida, Sept. 2, 2021. AP Photo/Matt Rourke

Cities worldwide aren’t adapting to climate change quickly enough

More than half of the world’s population lives in cities, and that share is growing. Rapid climate change could make many cities unlivable in the coming decades without major investments to adapt.
People navigate cities in much the same way animals navigate their environments. Max Böhme/Unsplash

Cellphone data shows that people navigate by keeping their destinations in front of them – even when that’s not the most efficient route

As you’re walking through city streets on your way to work, school or appointments, you probably feel like you’re taking the most efficient route. Thanks to evolution, you’re probably not.
A volunteer distributes face masks in a rural California community in February 2021. Mel Melcon/Los Angeles Times via Getty Images

Having COVID-19 or being close to others who get it may make you more charitable

Experiments in the US and Italy that observed people’s charitable choices found similar results: People tend to prefer to help local communities.
Bacteriophages are viruses that infect bacteria and play a potential role in the evolution of life. NANOCLUSTERING/SCIENCE PHOTO LIBRARY/Science Photo Library via Getty Images

Viruses are both the villains and heroes of life as we know it

Viruses have gotten a bad rap for the many illnesses and pandemics they’ve caused. But viruses are also genetic innovators – and possibly the pioneers of using DNA as the genetic blueprint of life.
After taking a pandemic-induced hiatus in 2020, Lollapalooza returned to Chicago in summer 2021. Michael Hickey/Getty Images

What’s behind the magic of live music?

Some concertgoers reported being so moved by their first concerts in nearly two years that they wept with joy – a testament to the power of this unique form of human communion and connection.
Teachers report post-traumatic stress disorder after experiencing or witnessing attacks from students. Andrey Zhuravlev/iStock via Getty Images

Teachers must often face student attacks alone

Teachers say school districts have left them in the lurch in the wake of attacks by students. Some admit they resort to violence themselves to send a message to students who might want to test them.
Creativity has many academic, professional and personal benefits. Stephen Simpson/Stone Collection via Getty Images

How to nurture creativity in your kids

Art classes and STEM toys are nice, but there are simple and free ways parents can encourage their child’s creativity – or keep it from getting squashed.
Defense set to claim that the three men accused over death of unarmed Black man were trying to conduct a citizen’s arrest. Glynn County Detention Center via AP, File

Trial of Ahmaud Arbery’s accused killers will scrutinize the use – and abuse – of ‘outdated’ citizen’s arrest laws

Three men who pursued a black jogger who died of a shotgun wound in the confrontation claim they were trying to conduct a citizen’s arrest.
French President Emmanuel Macron talks to U.S. President Joe Biden at the North Atlantic Treaty Organization headquarters in Brussels on June 14, 2021. BRENDAN SMIALOWSKI/POOL/AFP via Getty Images

French outrage over US submarine deal will not sink a longstanding alliance

Despite a ‘major breach of trust,’ the recent spat between France and the US corresponds to a long cycle of conflict and rapprochement between the two countries.

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