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Plants & Animals Aug 17, 2021

Unlike humans, cuttlefish retain sharp memory of specific events in old age, study finds

Cuttlefish can remember what, where, and when specific events happened—right up to their last few days of life, researchers have found. The results, published this week in the journal Proceedings of the Royal Society B, are ...

Plants & Animals Jul 21, 2021

Examining the food chains controlling invasive marine species

A landmark scientific study involving marine biologists from Greece, Turkey, Cyprus, Libya, Italy, Tunisia, the UK, the US and Malta documenting instances where native Mediterranean species have preyed upon two highly invasive ...

Nanophysics Jul 20, 2021

Composite piezoelectric materials extracted from common waste products

A research team led by Professor Jyh-Ming Wu of the Department of Materials Science and Engineering at National Tsing Hua University (NTHU) in Taiwan has recently developed two composite piezoelectric materials extracted ...

Plants & Animals Jul 7, 2021

Suckers for learning: why octopuses are so intelligent

Our last common ancestor with the octopus existed more than 500 million years ago. So why is it that they seem to show such peculiar similarities with humans, while at the same time appearing so alien? Perhaps because despite ...

Evolution Jun 29, 2021

Diversity of tiny bobtail squid driven by ancient biogeographic events, finds new study

Bobtail and bottletail squids are small marine invertebrates that are easy to collect, reproduce quickly, and can be raised together in large numbers in laboratories, making them useful model animals for research. They're ...

Paleontology & Fossils Apr 13, 2021

Ancient ammonoids' shell designs may have aided buoyancy control

Ammonoids, ancestors of today's octopus, squid and cuttlefish, bobbed and jetted their way through the oceans for around 340 million years beginning long before the age of the dinosaurs. If you look at the fossil shells of ...

Plants & Animals Mar 25, 2021

Octopuses have two alternating sleep states, study shows

Octopuses are known to sleep and to change color while they do it. Now, a study publishing March 25 in the journal iScience finds that these color changes are characteristic of two major alternating sleep states: an "active ...

Evolution Mar 23, 2021

Cephalopods: Older than previously thought?

Possibly the oldest cephalopods in the Earth's history stem from the Avalon Peninsula in Newfoundland (Canada) discovered by scientists from Heidelberg University. The 522-million-year-old fossils could turn out to be the ...

Plants & Animals Mar 19, 2021

Hong Kong's fragile coral reefs boosted by 3D printing

In jade waters off Hong Kong's eastern shoreline, scientists are thrilled to spot a cuttlefish protecting her eggs inside an artificial, 3D-printed clay seabed helping to restore the city's fragile coral reefs.

General Physics Mar 8, 2021

Squids' ability to tune color and brightness of their iridescence comes down to subtle mechanism

Squids have long been a source of fascination for humans, providing the stuff of legend, superstition and myth. And it's no wonder—their odd appearances and strange intelligence, their mastery of the open ocean can inspire ...

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