Related topics: women · genes · sperm · fertilizer · pregnancy

Triploid flowering pears reduce self-sowing

Flowering pear trees are popular additions to landscapes across much of the United States. The attractive ornamentals are favored for their abundance of white flowers, showy fall color, broad pest resistance, striking forms, ...

Coral on a chip cracks coral mysteries

We know that human-induced environmental changes are responsible for coral bleaching, disease, and infertility. Loss of the world's stony coral reefs - up to 30% in the next 30 years, according to some estimates - will mean ...

Stem cell technique makes sperm in a dish

Scientists in China have finally succeeded in creating functioning sperm from mice in the laboratory. To accomplish this feat, the researchers coaxed mouse embryonic stem cells to turn into functional sperm-like cells, which ...

Sex chromosomes—why the Y genes matter

Several genes have been lost from the Y chromosome in humans and other mammals, according to research published in the open access journal Genome Biology. The study shows that essential Y genes are rescued by relocating to ...

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