Financial experts rely on factor models to grasp how different assets behave together and manage risks. But after major events like the COVID-19 pandemic, these models might need a reality check. That's where the mosaic permutation test comes in. It's a clever way to ensure your models are still doi
Imagine you're on a quest to find aliens. But what exactly are you searching for? And how do you know if you've found them? Scientists use a slightly different approach. They think about it like a test with two results: true or not quite right. They use something called the Bayes factor to compare t
Have you ever wondered what draws people to online communities that spread conspiracy theories? A recent study took a close look at Reddit to find out. Researchers followed the online activities of over 60, 000 users, dividing them into those who would later join conspiracy communities and those who
In a surprising turn of events, Donald Trump secured a landslide victory over Kamala Harris in the 2024 presidential election, flipping key battleground states and catching even his closest supporters off guard. Markets reacted enthusiastically, with the Dow jumping over 3% and hitting a new all-tim
In the early hours of Wednesday, the Associated Press declared Wisconsin for former President Trump, pushing his electoral votes past the required 270 to win the presidency. This goes against pre-election predictions, which favored his Democratic opponent, Kamala Harris. Republicans also took contro
In 2022, smartphones became like extra limbs for young people, especially university students. At Debre Markos University in Ethiopia, health science students were no exception. They were exploring mobile health apps, tools designed to help manage health better, anytime and anywhere. This was differ
Early Wednesday morning, former President Donald Trump declared victory in the presidential election. He led Vice President Kamala Harris in projected Electoral College votes, but neither candidate had yet secured the required 270 votes to win the White House. Trump's lead became significant after N
Donald Trump's victory in the presidency has led to a surge in stocks for certain businesses, many of which have been controversial. Let's start with Donald Trump's own business, Trump Media & Technology Group. Its stock crashed as the election results were coming in, but it rebounded strongly once
For many years, Chile has been known for its political stability. The country's political system is divided into two main coalitions. The center-left Concertation, which includes parties like the Socialist Party (PS), Christian Democratic Party (DC), and Party for Democracy (PPD), ruled from 1990 to
Ever wondered how tiny insects like fruit fly larvae can zip through their environment, seeking out food and avoiding danger? It all starts with their olfactory receptor neurons (ORNs). These guys are the first responders to smells. Scientists wanted to figure out how these ORNs help larvae navigate
