Why Don’t Jellyfish Sting Each Other?


Jellyfish are well known for their toxic stings

Not a bad question. How does a creature with no brain—but with long, venomous tentacles—manage to travel in dense packs without things getting really socially awkward? I took Kate’s query to Southern Fried Scientist, a science blogger who doubles as a graduate student studying deep-sea biology.

Jellyfish can and do sting other jellyfish, he says, but really only when they’re hunting jellies of another species…

Continue reading… “Why Don’t Jellyfish Sting Each Other?”

New Sting Ray Discovered in Australia

stingray 43445
The new string ray (Neotrygon sp.) discovered at Ningaloo Marine Park, WA.
Photo: Jeremy Vaudo.

Scientists have discovered a new species of stingray at the World Heritage-nominated Ningaloo Marine Park.

Environment Minister Donna Faragher said the new ray was part of the maskray family and with a wingspan of 30cm, it was much smaller than most rays found at Ningaloo.

Mrs Faragher said the find highlighted the importance of the Ningaloo Marine Park…

Continue reading… “New Sting Ray Discovered in Australia”

Invisibility Cloaks Could Take the Sting out of Hurricanes

Invisibility Cloaks Could Take the Sting out of Hurricanes

Protection comes in many forms

Invisibility cloaks that are able to steer light around two dimensional objects have become reality in the last few years. But the first real-world application of the theories that made them possible could be in hiding vulnerable coastlines and offshore platforms from destructive hurricanes and tsunamis.

Continue reading… “Invisibility Cloaks Could Take the Sting out of Hurricanes”