Christopher Packham

Medicaid, the government-funded U.S. health insurer for people with low incomes, grew by about 25% between February 2020 and May 2022 as policies adopted at the outset of the COVID-19 pandemic expanded the program's reach.

Many academic studies have been centered on Western theories and methodologies for a long time. This approach to research is broadly defined as "universalist." It assumes that "one-size-fits-all" and set norms can be applied ...

As marine species continue to decline worldwide, the southern resident killer whale population—which now stands at 75 individuals—along the west coast of North America, has baffled scientists who are trying to understand ...

Many school districts across the United States are in the midst of a crisis: a teacher shortage. Part of the problem is due to the COVID-19 pandemic, but there are other reasons why teachers are leaving their jobs at higher ...

People have been exploring the surface of Mars for over 50 years. According to the United Nations Office for Outer Space Affairs, nations have sent 18 human-made objects to Mars over 14 separate missions. Many of these missions ...

Imagine the following scenario. A phone rings. An office worker answers it and hears his boss, in a panic, tell him that she forgot to transfer money to the new contractor before she left for the day and needs him to do it. ...

Banned Books Week, an annual event that teachers and librarians across the U.S. mark with a combination of distress and defiance, is here again. The theme of this year's event, which takes place Sept. 18–24, is "Books Unite ...

Sometimes getting to where you want to go is a matter of finding the right guide.

The way we perceive poverty, hunger and household food insecurity is shaped by media, government policy, public relations, advertising and personal experience. But one persistent strand is the notion that poverty and food ...

It seems like a particularly troubling time for public health, both in the U.S. and internationally. The first U.S. case of polio in 10 years was diagnosed in New York. There have been a number of unexplained cases of hepatitis ...

A new report examining the effectiveness of global plastic policies concludes that current approaches to policy making will not produce the step change needed to tackle the global plastic pollution crisis.

How did plants and animals survive around 200 million years ago when the carbon dioxide concentration went up to 6,000 parts per million? Paul Olsen, a geologist and paleontologist at Columbia Climate School's Lamont-Doherty ...

Last week, actors Ryan Reynolds and Rob McElhenney released a video of themselves getting colonoscopies to encourage others to undergo screening. The procedure detected polyps in the two men, both aged 45.

In molecules, the atoms vibrate with characteristic patterns and frequencies. Vibrations are therefore an important tool for studying molecules and molecular processes such as chemical reactions. Although scanning tunneling ...

The Drug Trends program at the National Drug and Alcohol Research Center (NDARC), UNSW Sydney, has found evidence of ongoing disruption to Australian ecstasy markets since COVID-19 and associated restrictions.