Cuttlefish Delay Gratification, a Sign of Smarts
Cuttlefish Delay Gratification, a Sign of Smarts
The cephalopods resisted temptation for up to 130 seconds to earn their favorite food, hinting at sophisticated cognitive abilities such as planning for the future.
Cuttlefish Delay Gratification, a Sign of Smarts
Cuttlefish Delay Gratification, a Sign of Smarts

The cephalopods resisted temptation for up to 130 seconds to earn their favorite food, hinting at sophisticated cognitive abilities such as planning for the future.

The cephalopods resisted temptation for up to 130 seconds to earn their favorite food, hinting at sophisticated cognitive abilities such as planning for the future.

convergent evolution
Image of the Day: Brittle Star
Image of the Day: Brittle Star
Emily Makowski | Nov 20, 2019
This marine animal looks like a sea star, but don’t be fooled.
Hawaiian Spiders on Different Islands Evolved Same Disguise in Parallel
Hawaiian Spiders on Different Islands Evolved Same Disguise in Parallel
Catherine Offord | Mar 8, 2018
In an unusual evolutionary twist, local stick spiders have come up with an almost identical repertoire of color morphs in multiple locations.
Week in Review: October 17–21
Week in Review: October 17–21
Jef Akst | Oct 20, 2016
Report finds that pathologist involved in anonymous defamation case committed multiple acts of misconduct; growing eggs from stem cells; neutrophils’ role in metastasis; convergent evolution in birds
Many Evolutionary Paths Lead to Same Bird Trait
Many Evolutionary Paths Lead to Same Bird Trait
Anna Azvolinsky | Oct 20, 2016
Diverse genetic changes lead to remarkably similar hemoglobin adaptations of diverse bird species, a study finds. 
How Plants Evolved Different Ways to Make Caffeine
How Plants Evolved Different Ways to Make Caffeine
Ruth Williams | Sep 20, 2016
Caffeine-producing plants use three different biochemical pathways and two different enzyme families to make the same molecule.
Lightning-Fast Spider Bites
Lightning-Fast Spider Bites
Tanya Lewis | Apr 8, 2016
Trap-jaw spiders have the fastest, most powerful bite of any arachnid, scientists show. 
Spider and Centipede Venom Remarkably Similar
Spider and Centipede Venom Remarkably Similar
Bob Grant | Jun 12, 2015
The predatory toxins employed by animals separated by millions of years of evolution are virtually identical, a study shows.
Similar Strokes
Similar Strokes
Jenny Rood | Apr 29, 2015
Physics drove the convergent evolution of swimming in 22 unrelated marine species, a study suggests.