Dark energy may not be constant – this discovery could undermine our entire model of cosmological history

| Insights & Views

The great Russian physicist and Nobel laureate Lev Landau once remarked that cosmologists are often in error, but never in doubt. In studying the history of the universe itself, there is always a chance that we have got it...

COVID modelling reveals new insights into ancient social distancing – podcast

| Insights & Views

Gemma Ware, Host, The Conversation Weekly Podcast, The Conversation lindasky76/Shutterstock Five years since COVID emerged, not only has the pandemic affected the way we live and work, its also influencing the way...

Imagining what the world could look like without fossil fuels spurs people to action

| Insights & Views

Human activity has already warmed the planet by more than one degree Celsius, fuelling forest fires, exacerbating floods, super-powering storms and increasing the frequency of deadly heat waves. The main human driver of...

Vitamin D builds your bones and keeps your gut sealed, among many other essential functions − but many children are deficient

| Insights & Views

Youve likely heard about vitamin Ds important role in maintaining strong bones and teeth. But it also plays several other important roles to keep your body healthy including the function of your gut. As part of our...

From business exports to veteran care − here’s what some of the 35,000 federal workers in the Philadelphia region do

| Insights & Views

Layoffs of federal employees and cutbacks to federal agencies have direct consequences for the Philadelphia area. I am a law professor at Villanova University outside Philadelphia, and my research focuses on the work of...

Lowering the cost of insurance in Colorado – a new analysis of the Peak Health Alliance

| Insights & Views

A community-led partnership in Colorado designed to negotiate health care prices lowered health care premiums in 2020 and 2021, we find in our new paper in the Journal of Risk and Insurance. The nonprofit organization is...

Medicare Advantage is covering more and more Americans − some because they don’t get to choose

| Insights & Views

Since the mid-2000s, the Medicare system has dramatically transformed. Enrollment in Medicare Advantage the private alternative to the traditional Medicare program administered by the government has more than quadrupled....