Related topics: sperm · fertilizer · offspring · birds · embryos

Image: the Egg Nebula

The Egg Nebula is a preplanetary nebula, created by a dying star in the process of becoming a planetary nebula. Planetary nebulas have nothing to do with planets – the name arose when 18th century astronomers spotted them ...

Evolution from water to land led to better parenting

The evolution of aquatic creatures to start living on land made them into more attentive parents, says new research on frogs led by the Milner Centre for Evolution at the University of Bath.

Which came first, the lizard or the egg?

In a world first, researchers at the University of Sydney have observed a normally live-bearing Australian lizard lay three eggs and then weeks later, give birth to a live baby from the same pregnancy. This is the first time ...

Male crickets use female scent to rate fertility prospects

A new study by researchers at The University of Western Australia has found that male insects are able to use female scent to assess not only how many eggs she will produce but also the egg-laying potential of their daughters.

Ant larvae fight the offspring of parasitic queens

In certain ant species, queens invade the colonies of other species, kill the host queen or queens and lay their eggs in the host nest. After this, the host workers tend to the offspring of the parasitic queen as if their ...

New Cretaceous fossil sheds light on avian reproduction

A team of scientists led by Alida Bailleul and Jingmai O'Connor from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences reported the first fossil bird ever found with ...

Storing energy with eggshells

Biowaste in the form of chicken eggshells has proved to be very effective for energy storage. This finding was made by an international team of researchers, including scientists of the Helmholtz Institute Ulm (HIU) established ...

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