Famine killed nearly 75 million people in the 20th century, but had virtually disappeared in recent decades. Now, suddenly, it is back. In late February a famine was declared in South Sudan, and warnings of famine have...

The U.S. immigration code, passed by Congress in 1952, rivals the tax code in its level of complexity.

In January, President Donald Trump signed three executive orders on immigration that have made matters more complicated for immigrants and the lawyers and advocates who fight on their behalf.

As an immigration lawyer and teacher, I have spent...

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...