Scientists are exploring how the spread of religious ideas, or "memes, " can shape the diversity we see in religions today. They compare this to how diseases or helpful microbes spread and evolve within hosts. Just like pathogens, religious memes can jump from person to person, influencing how peopl
Fertility plays a big role in shaping the population of a country—its size, structure, and makeup. Knowing what people want when it comes to having kids, also known as fertility preferences, helps predict population growth. This study looked into how differences in using key maternal health services
Imagine you're in a room filled with famous people. The goal? To get closer to those with more fame than you. This is the premise of a new game in network creation, called "celebrity games. " Each player, or "celebrity, " has a different level of fame, or "celebrity weight. " To win, you need to be
Ever wondered how prime numbers—those numbers that only have two divisors, 1 and themselves—are scattered across the number line? This isn't just about counting them, but understanding how they appear. Picture a long road filled with numbers, and prime numbers are like the unique trees along this ro
Did you know that Massachusetts has said goodbye to the MCAS exam for high school graduation? That's right! The state voted to replace the MCAS requirement with coursework approved by districts. This big change happens right away for students graduating in 2025. The MCAS exam has been a part of Mas
Ever wondered how health shocks impact people differently depending on their initial health? To find out, researchers created a way to measure health continuously and monitor its changes over time, showing that poor health doesn't always bounce back from health setbacks. Standard models struggle to
In Benin, a study looked at how gender, birth order, and natural skills affect how much education kids in the same family get. They used two methods: a simple approach and a detailed model of how families divide their resources for education. The researchers found that in families where parents did
Religious adherence can be seen as a choice, like picking a favorite color. Scientists studied 58 religions from 1900 to 2000, using data from the World Christian Encyclopedia. They found 40 growing religions, 11 of which had a big change in the 1900s. 18 religions were shrinking, with 12 hitting th
Ever ponder how religions morph and branch out into different shapes? Picture this: cultural ideas, or 'memes', zip around like lightning among people. Some ideas latch on, others vanish in a flash. Sort of like how viruses invade hosts, religions act as hosts for these memes. Zoom in on how viruse
Imagine a group of people where some are more famous than others. We'll call these important folks "celebrities" and their status "celebrity weight. " The goal for everyone in this group is to get close to the most famous people while keeping their own costs down. This is what we're calling the "cel
