Over 130 mammal species can delay embryonic development, giving their offspring the best possible chance of survival in ideal ...

Seals give birth only when conditions are right. After mating, a female seal can delay implantation of the embryo in the ...

To work out which nutrients were important to induce diapause, the researchers grew early-stage mouse embryos in dishes that contained different nutrients. They found that embryos grown in dishes ...

Flesh flies (Sarcophagidae) collected in Costa Rica and Panama lack the pupal diapause that is characteristic of flesh flies from the temperate zone and tropical Africa. The absence of a diapause ...

Five nominal species of braconid wasps that parasitize nymphs of five mirid species were studied on farms. The biological data obtained indicate that Peristenus pallipes (Curtis) is likely two (and ...

Everyone is familiar with the roe deer, either from crossword puzzles or from real- life encounters during a jog or a hike in the forest: majestic creatures with elegant big black eyes. As common as ...

Recent advancements in reproductive health research are opening up new possibilities for improving the success of fertility treatments, particularly in in-vitro fertilisation (IVF). One such ...

Monarch butterflies (Danaus plexippus) have long been known for their impressive migration abilities, with North American species traveling around 3,000 miles from the United States and Canada into ...

We humans survive the icy throes of winter with warm coats, space heaters and hot chocolate. Insects, however, have a few more creative strategies up their sleeves. Whether it’s special proteins that ...

To be honest, I wasn’t sure I was. But Andrew Forbes, an Ottawa-born writer who now lives in Peterborough, Ont., had, during the pandemic, become one of my favourite authors. His two collections of ...