There is strong and consistent evidence that exposure to secondhand smoke causes heart attacks and that smokefree workplace and public place laws cut heart attacks (and other diseases). The most recent evidence comes from a large study in Sao Paolo, Brazil, where heart attack...

The feminist legal scholar Catharine MacKinnon once argued that rape was not prohibited, but merely regulated. She was writing in 1989, four years before it became illegal to rape one’s spouse in...

President Trump’s new executive order on immigration addresses some of the legal problems found by courts in the Jan. 27 original order, but is still vulnerable on some of the same legal grounds.

As a constitutional law professor who has recently written on this...

If you want to get a soccer mom’s attention, bring up the subject of artificial turf, the preferred playing surface for children from pre-K to college – or at least preferred by school boards and parks and recreation departments.

From concerns about concussions to cancer,...

In the U.S., many undocumented individuals and other vulnerable groups in the Latino immigrant population, such as indigenous language speakers, are already marginalized from mainstream health services. Increased scrutiny and a growing...

Earth’s climate system is replete with potential surprises, and the climate science community tends to be conservative when projecting future changes. The world also suffers from a creative deficit in imagining the...

When news breaks about wrongdoings of our favorite politician, the other side inevitably argues that we have a scandal on our hands. We like to think that our superior grasp of logic is what enables us to reason through and reject the other side’s concerns.

But, a series of three studies I recently published...

In 2002, I began traveling the entire length of the U.S.-Mexico border on both sides. From Pacific Ocean to the Gulf of Mexico, the border measures almost 2,000 miles.

What distinguished my journey was that I began traveling well before the idea of fortifying the U.S.-Mexico border entered public consciousness. Inadvertently, I became witness to...

Just days after President Donald Trump’s inauguration, activists from Greenpeace climbed up a large construction crane near the White House and unfurled a large banner with the single word: Resist.

On Feb. 11, thousands of protesters used their bodies to spell the word “resist” on a San Francisco beach. The next day, at the...

In 1792, before there was the internet, the telephone or even the telegraph, securities trading began on Wall Street.

A small group of dealers, who met under a buttonwood tree on Wall Street, agreed to trade only with each other and established a minimum fee for their service. At that time, most trading involved the buying and selling of...