Box jellyfish are often feared as dangerous animals, with some species capable of causing severe or even fatal stings. However, box jellyfish nematocysts - organelles responsible for this toxic sting ...

Sperm transfer in Copula sivickisi. The male (above) produces and transfers a spermatophore while grasping the female by the tentacles; the female (below) receives the spermatophore. Box jellyfish are ...

BH, bell height, IPD, interpedalial distance. Species without measurements correspond to incomplete specimens that could not be measured. For males, maturity was assessed based on the presence or ...

Here’s what you’ll learn when you read this story: The animal kingdom contains a vast array of animals capability of remarkable regenerative abilities, but known are quite as adept at this healing ...

Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to be costly. Scientists tracked metabolism, blood, and hormone levels ...

Ctenophores are a separate phylum from jellyfish (cnidarians) and generally don't sting-many capture prey with sticky colloblast cells instead. Skin Type Gelatinous, delicate, mostly transparent body ...

In Telford's Exotic Zoo, life found a way. A casque-headed iguana has given birth to eight babies at the Shropshire wildlife park – without any contact with a male, via a phenomenon called ...

We preselected all newsletters you had before unsubscribing.

If you’ve ever had a spiny leaf insect as a pet, or you’re considering getting one, hopefully someone has warned you about this: if you put one in your enclosure, you might come back some time later ...

BURLINGTON, Mass.--(BUSINESS WIRE)--Veracode, a global leader in application risk management, today announced it has acquired certain assets of Phylum, Inc., including its malicious package analysis, ...

Scientists have found stem cells in sea anemones that could explain their seemingly eternal life, a discovery that might also impact our understanding of human aging and disease. (A single ...