Editor's note

Sen. John McCain, who died Saturday, spent his life committed to ideals that, by the end of his life, had fallen from favor. American University scholar Elizabeth Sherman writes that the country’s repudiation of the principles he championed may put the nation at risk. And Sherman explains how powerful trends in American politics, including partisan polarization, thwarted McCain’s lifelong ambition to be president.

Following a recent Pennsylvania grand jury report that revealed a shocking level of clergy abuse over a long period of time in the Catholic Church, Pope Francis wrote a letter acknowledging that the church had abandoned the child victims. Arizona State’s Carolyn M. Warner argues that an important, but seldom understood, part of this abandonment is the Canon law, which only the Pope has the power to change and which could prevent future acts of abuse.

And have you ever detected a storm’s first drops not by feeling or seeing them, but by smelling the rain? That distinctive scent is called petrichor. Texas A&M’s Tim Logan explains where it comes from and how it travels in advance of the downpour.

Naomi Schalit

Senior Editor, Politics + Society

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Republican presidential candidate Sen. John McCain arrives for a news conference in Annapolis, Md. REUTERS/Jim Young

John McCain, dead at 81, helped build a country that no longer reflects his values

Elizabeth Sherman, American University School of Public Affairs

Sen. John McCain, who died Saturday, ended his career with growing repudiation by his party and the public for positions, from national defense to bipartisanship, that he had long embodied.

A 2002 protest against clergy sex abuse. Jim Bourg/Reuters

Why it’s so hard to hold priests accountable for sex abuse

Carolyn M. Warner, Arizona State University

An expert explains how a complex set of canon laws and trials are the major obstacle to holding priests accountable. The power to take action is often vested in the Vatican.

Your nose knows what’s on the way. Lucy Chian/Unsplash

Why you can smell rain

Tim Logan, Texas A&M University

A weather expert explains where petrichor – that pleasant, earthy scent that accompanies a storm's first raindrops – comes from.

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Today’s quote

Scientists have learned...that [glioblastoma], like many cancers, is not a single disease.

 

Glioblastoma topples an American hero, but researchers will continue the fight

 

Duane Mitchell

University of Florida

Duane Mitchell