A new research paper was published in Aging (Aging-US) Volume 17, Issue 3, on March 5, 2025, titled "Reproductive aging, preimplantation genetic testing for aneuploidy, and the diameter of blastocysts ...

Leaving the comfort and safety of home to explore the world is a difficult decision. However, in a tiny coral reef fish called a neon goby, dads help their offspring take the plunge by pushing them ...

Amphibian embryos exhibit remarkable hatching plasticity, enabling them to adjust the timing of hatching in response to environmental cues, particularly those signalling predation risk. This adaptive ...

Some tadpoles can respond to their environment even before birth, hatching with stronger jaws if they sense prey in the water while still embryos. The Mexican spadefoot toad (Spea multiplicata) is a ...

Five-day-old red-eyed treefrog embryos are tightly curled inside dehydrated eggs packed closely together. It’s dry enough to make them begin to hatch early amid heating. Karen M. Warkentin As the frog ...