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A New Probability Calculator for Genetic Genealogy

A New Probability Calculator for Genetic Genealogy

Relationship predictions are now updated to include differences in maternal and paternal recombination rates as well as validation of…
Go to the profile of Brit Nicholson
Brit Nicholson
How Much of an Ancestor’s or Relative’s DNA Do You Have?

How Much of an Ancestor’s or Relative’s DNA Do You Have?

After two years of genetic modeling and simulation, I believe I’ve finally arrived at just about the best model I can make
Go to the profile of Brit Nicholson
Brit Nicholson
New and Improved Autosomal Genetic Model

New and Improved Autosomal Genetic Model

A comparison of three autosomal models, including results of the new model that predicts the amount of shared DNA between various…
Go to the profile of Brit Nicholson
Brit Nicholson
Comparisons of Autosomal Genetic Models

Comparisons of Autosomal Genetic Models

Which Model Is Better, a Simpler One or a More Complicated One?
Go to the profile of Brit Nicholson
Brit Nicholson
Modeling the Inheritance of X Chromosome DNA

Modeling the Inheritance of X Chromosome DNA

A discrete, stochastic model written in Python
Go to the profile of Brit Nicholson
Brit Nicholson
The Physics Powering Light Sails

The Physics Powering Light Sails

Exploring the mechanism that powers Light Sail based spacecraft. How can photons have momentum without mass?
Go to the profile of Robert Lea
Robert Lea
Discrepancies in the Estimated Date of the Human MRCA

Discrepancies in the Estimated Date of the Human MRCA

Do all humans share a common ancestor from a few thousand years or a few hundred thousand years ago?
Go to the profile of Brit Nicholson
Brit Nicholson
An Algorithm to Find your Chromosome Segments Based on DNA Matches

An Algorithm to Find your Chromosome Segments Based on DNA Matches

I’ve written a program that can find your most important DNA matches, and it’s yours for the taking
Go to the profile of Brit Nicholson
Brit Nicholson
Star formation burst caused by a galactic crash 2–3 billion years ago

Star formation burst caused by a galactic crash 2–3 billion years ago

A collision between the Milky Way and another galaxy may have caused a rapid period of star formation 2 -3 billion years ago.
Go to the profile of Robert Lea
Robert Lea
Powerful jets erupted from the Universe’s earliest stars — dispersing the seeds of future stars

Powerful jets erupted from the Universe’s earliest stars — dispersing the seeds of future stars

The first generation of stars exploded into supernovas dispersing elements form which later stars formed, new research suggests.
Go to the profile of Robert Lea
Robert Lea
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