Most of the Y chromosome (Ychr) region (approximately 95%) passes unchanged from father to son, except by the gradual accumulation of single-nucleotide polymorphism (SNP) mutations. This results in ...

In response to the problems such as the inconsistent size, dense distribution and high difficulty in identification of corn seedlings in the field environment, a study on the identification of the ...

This year's third graders are the third class of students in Tennessee who have been held to the reading retention law. In 2023, a statewide law focused on third-grade reading rates took effect.