LND topic: var page 41

var

Random Walks: A Different Perspective

November 8, 2024

Imagine a walker exploring a network of paths, each path with its own set of random rules. This is a random walk in a random environment, or RWRE, and when these rules are based on something called the Dirichlet environment, something really interesting happens. Normally, RWREs are all about the ra

science

Julian Schwinger's Legacy at Harvard: A Celebration of Scientific Genius

November 7, 2024

February 12, 2018, marked a special day at Harvard University as it celebrated the 100th birthday of the renowned physicist Julian Schwinger. This was not just a birthday commemoration but a grand event titled "The Memories of Julian. " The university wanted to honor Schwinger's incredible contribut

health

UK's First Household Cluster of New Mpox Variant Sparks Concern

November 7, 2024

A rare and more infectious strain of mpox, initially found in Congo, has now spread within a household in the UK, marking the first cluster outside Africa. Health officials report four cases, including the first patient who traveled from countries with ongoing outbreaks. This variant is believed to

religion

The Ever-Changing World of Religions: A Statistical Journey

November 7, 2024

Religion is a key part of how people live and think. It changes, just like any other social trend, and adapts to society’s shifts. Think of religion as a language or wealth—something to study like any other social structure. Let’s explore some big questions: How many religions are there at any give

science

Exploring Religions and Languages: A Social Evolution

November 6, 2024

Religions and languages are like any other social traits, such as age or wealth. They evolve and change over time, just like people do. New ones pop up while others fade away. Have you ever wondered how many religions or languages exist at any given time? Or how they change and spread? Scientists s

science

Celebrating Schwinger: Harvard's Tribute to a Physics Giant

November 6, 2024

Theoretical physicist Julian Schwinger was a big deal in the world of science. He helped shape modern quantum mechanics. On February 12, 2018, Harvard University held a special event called "The Memories of Julian" to mark 100 years since his birth. It's pretty impressive that even a century after h

finance

The Best Strategy: A Fresh Look at the Sharpe Ratio

November 6, 2024

In investment, the Sharpe Ratio is used to measure the performance of a strategy. But how do you know if your strategy is the best among many options? Enter the Intersection-Union Test. This test is like a competition where you compare the Sharpe Ratio of your benchmark strategy with others. The coo

science

Walking Backwards: The Unique Journey of Dirichlet Random Walks

November 6, 2024

Imagine you're walking through a park, but the path you take isn't just random—it's determined by a series of independent probabilities. This is the essence of a random walk in a Dirichlet environment. In this environment, the chances of moving from one spot to another are not fixed but are themselv

health

Pesticides and Prostate Cancer: What's the Connection?

November 6, 2024

You might be surprised to hear that certain pesticides could raise your risk of getting prostate cancer. A team from Stanford University looked into this over many years, as prostate cancer takes a long time to develop. They found that 22 specific pesticides were linked to a higher chance of getting

health

Cows & a New Flu Threat: What You Need to Know

October 28, 2024

Ever thought about a virus jumping from cows to humans? It might sound strange, but scientists have discovered that the highly infectious bird flu, H5N1, has done just that. This specific variant, called huTX37-H5N1, can infect mammals like mice and ferrets, and it's lethal in lab experiments. What'