ADVERTISEMENT
ADVERTISEMENT
Drawing of fish along with internal organs
Researchers Visualize Heart From 380-Million-Year-Old Fish
A team of researchers in Australia have imaged fossilized soft organs of early jawed vertebrates for the first time, finding that our ancient fish ancestors’ hearts, livers, and stomachs are strikingly similar to ours.
Researchers Visualize Heart From 380-Million-Year-Old Fish
Researchers Visualize Heart From 380-Million-Year-Old Fish

A team of researchers in Australia have imaged fossilized soft organs of early jawed vertebrates for the first time, finding that our ancient fish ancestors’ hearts, livers, and stomachs are strikingly similar to ours.

A team of researchers in Australia have imaged fossilized soft organs of early jawed vertebrates for the first time, finding that our ancient fish ancestors’ hearts, livers, and stomachs are strikingly similar to ours.

jaws

Woman with buns and blue sweater chewing gum, smiling, and stretching it out of her mouth.
The Energetic Cost of Chewing May Have Shaped Hominin Evolution
Natalia Mesa, PhD | Aug 17, 2022 | 4 min read
The simple act of chewing gum can raise the body’s metabolic rate by as much as 15 percent, a study finds.
New Mammal Fossil May Show How Ear Bones Evolved from Jaw Bones
Emily Makowski | Dec 6, 2019 | 1 min read
An ancient animal’s hammer, anvil, and stirrup bones are at the base of the jaw but completely detached from it.
Image of the Day: Fish that Eat Fish
Emily Makowski | Sep 13, 2019 | 1 min read
Researchers categorize the different jaws of piscivorous fishes.
Lightning-Fast Spider Bites
Tanya Lewis | Apr 8, 2016 | 2 min read
Trap-jaw spiders have the fastest, most powerful bite of any arachnid, scientists show. 
Dinos on Special Diets
Molly Sharlach | Oct 9, 2014 | 2 min read
Skull structures suggest that sauropod dinosaur species subsisted on different plant types.
ADVERTISEMENT