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Apr. 13, 2021 — Scientists now challenge the long-held assumption that animals match offspring birth with the peak green-up of forage at the birth ...
Mar. 25, 2021 — Researchers have investigated how the X and Y chromosomes evolve and adapt to each other within a population. The results show that breaking up coevolved sets of sex chromosomes could lead to lower ...
Dec. 3, 2021 — Scientists have used gene editing technology to create female-only and male-only mice litters with 100 percent ...
Dec. 14, 2021 — Researchers have discovered the genetic basis for a quirk of the animal kingdom -- how ant queens produce broods that are entirely male or ...
June 24, 2021 — A new study of Aedes aegypti mosquitoes investigates how a mating cue called 'harmonic convergence' might affect immunity against parasites, bacteria and dengue virus in offspring, which ...
Nov. 9, 2023 — Desert birds lay larger eggs when they have more helpers to feed their chicks, new research ...
July 7, 2023 — In males of many species, it pays to identify females that are nearing maturity to be the first in line for mating. Now researchers have found a remarkable example: male spider mites guard and then ...
Dec. 14, 2021 — Spending time with offspring is beneficial to development, but it's proving lifesaving to Galápagos Islands Darwin's finches. A new study has found evidence Darwin's finch females ...
Dec. 2, 2021 — An intense but short-term exposure to cannabis vapor lowered sperm counts and slowed sperm movement, or motility, not only in the directly exposed male mice but also in their sons, according to a new ...
Apr. 17, 2023 — Female monarch butterflies have no trouble finding a mate -- even when a parasite kills most of the males, new research ...
