J. Flegr

A new and highly effective method for predicting T-cell response targets implemented on SARS-CoV-2 data

The paper introduces a theory-based method for predicting T-cell response targets in SARS-CoV-2 data, showing fourfold improved effectiveness over existing empirical methods.

Presence of Toxoplasma gondii tissue cysts in human semen

The paper demonstrates the presence of Toxoplasma gondii tissue cysts in human semen, suggesting a potential for sexual transmission of the parasite.

Increased calcidiol level in redhaired people: Could redheadedness be an adaptation to temperate climate?

The paper investigates calcidiol and folic acid levels in redhaired and non-redhaired individuals, finding higher calcidiol in redhaired people and suggesting a physiological adaptation to low UV-B radiation.

Friends with malefit. The effects of keeping dogs and cats, sustaining animal-related injuries and Toxoplasma infection on health and quality of life

This study investigates the impact of pet ownership, animal-related injuries, and Toxoplasma infection on quality of life, finding weak positive associations with liking pets and strong negative associations with keeping pets and infections.

Maternal RhD heterozygous genotype is associated with male biased secondary sex ratio

The study finds that RhD heterozygous mothers have a male-biased secondary sex ratio, supporting the Trivers-Willard hypothesis and suggesting health advantages for heterozygotes.

Lower performance of Toxoplasma-infected, Rh-negative subjects in the weight holding and hand-grip tests

The paper examines the effect of Toxoplasma infection and Rh blood type on physical endurance in university students, finding lower performance in Rh-negative men but higher performance in Rh-positive individuals.

Health Status By Gender, Hair Color, And Eye Color: Red-Haired Women Are The Most Divergent With The Lowest Viability And The Highest Fertility

The paper examines health differences by gender, hair color, and eye color, finding red-haired women have worse health outcomes but higher fertility compared to others.

Stability-based sorting: The forgotten process behind (not only) biological evolution

This paper proposes stability-based sorting (SBS) as a general evolutionary principle that explains various phenomena, contrasting it with natural selection.

General Environmental Heterogeneity As The Explanation Of Sexuality? Comparative Study Shows That Ancient Asexual Taxa Are Associated With Both Biotically And Abiotically Homogeneous Environments

This study compares ancient asexual clades with their sexual relatives to test ecological theories of sexual reproduction, finding a strong association between asexuality and homogeneous environments.