The results from an emerging study suggest governments should act quickly if they plan to impose travel bans – before the virus can spread widely to other countries.
Far-right extremists in the US have the potential to mount a coordinated, low-intensity campaign of political violence. It wouldn’t be the country’s first experience with domestic terror.
Gilles Pison, Muséum national d’histoire naturelle (MNHN)
Fertility is higher in Northern Europe than in Southern Europe. To understand, let’s take a look at family policies, equality between women and men and the economic context.
New research published in the journal Nature reveals that more than 1.2 million flow barriers exist on European rivers and that approximately 10% are obsolete.
Joshua Aizenman, USC Dornsife College of Letters, Arts and Sciences
Over the first 100 days of the pandemic, countries that quickly implemented strong policies successfully lowered their death rates faster. There were also some surprises in the successes and failures.
While some authoritarian governments have won early praise, research shows that democratic countries with a balance of power between central and regional bodies are best able to succeed.
Countries aiming to flatten the coronavirus curve have one crucial aim: reduce the “effective reproduction number” of the virus to below 1. This means the spread is slowing, rather than accelerating.
Jimmy Whitworth, London School of Hygiene & Tropical Medicine
From China and South Korea to Italy and the US, different countries are taking very different approaches to COVID-19 – with varying degrees of success.