Scientists worry about their funding's future

Trump has purged the Kennedy Center’s board, which in turn made him its chair – why does that matter?

E. Andrew Taylor, American University

This public-private performing arts center relies on some $85 million in donations every year. Will its sudden politicization jeopardize that big source of funding?

Congress, not the president, decides on government spending − a constitutional law professor explains how the ‘power of the purse’ works

Zachary Price, University of California College of the Law, San Francisco

Congress has the authority to control government expenditures. Donald Trump is the latest president to try to get around that power, as he slashes government programs and staff.

President Trump may think he is President Jackson reincarnated − but there are lessons in Old Hickory’s resistance to sycophants

Maurizio Valsania, Università di Torino

President Donald Trump feels kinship with former President Andrew Jackson. But a presidential historian says that Jackson diverged in fundamental ways from the path Trump is taking.

Presidential greatness is rarely fixed in stone – changing attitudes on racial injustice and leadership qualities lead to dramatic shifts

George R. Goethals, University of Richmond

While some Republicans want to put Donald Trump onto Mt. Rushmore, historians often change their views of presidents over time.

Must the president be a moral leader?

Michael Blake, University of Washington

Presidents Day celebrates the American president – not only as a political leader, but as a moral leader. But can a president be a person of strong moral character, as well as a strong leader?

Who are Ismaili Muslims and how do their beliefs relate to the Aga Khan’s work?

Shariq Siddiqui, Indiana University

Aga Khan, the religious leader of the Ismailis – a sect of Islam – established the Aga Khan Foundation in 1967. It has served millions around the world since then.

Why do skiers sunburn so easily on the slopes? A snow scientist explains

Steven R. Fassnacht, Colorado State University

The powdery snow that skiers and snowboarders love, especially on crystal clear days, plays a big role in how much your skin will burn.

Why water is different colors in different places

Courtney Di Vittorio, Wake Forest University

Blue, green orange, brown − water comes in many colors, depending on what’s in it.

How Americans really feel about deporting immigrants – 3 charts explain the conflicting headlines from recent polls

How to find climate data and science the Trump administration doesn’t want you to see

Teenagers turning to AI companions are redefining love as easy, unconditional and always there