Most animals produce calls that reflect their body size. A larger animal will sound lower-pitched because its vocal tract, the air-filled tube that produces and filters sounds, is longer. But harbor seals do not always sound ...
Plants & Animals
Apr 29, 2022
0
10
Scientists at the University of Bristol have discovered that body size is more important than body shape in determining the energy economy of swimming for aquatic animals.
Evolution
Apr 28, 2022
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510
The first study to compare the accumulation of mutations across many animal species has shed new light on decades-old questions about the role of these genetic changes in aging and cancer. Researchers from the Wellcome Sanger ...
Molecular & Computational biology
Apr 13, 2022
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97
Prehistoric mammals bulked up, rather than develop bigger brains, to boost their survival chances once dinosaurs had become extinct, research suggests.
Evolution
Mar 31, 2022
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541
Two knights stand face to face. One has a plain average-sized sword. The other has a massive fear-inducing sword stained with blood. After one quick look at it, the first knight quickly puts his average sword away, backs ...
Plants & Animals
Feb 8, 2022
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100
Life in the wild can be tough, and sometimes animals don't have the luxury of taking time out when they are sick. That's certainly the reality of life for vervet monkeys living in Southern Africa, even though parasites and ...
Plants & Animals
Feb 2, 2022
0
10
Stationary marine organisms that don't ply the ocean, but spend their lives rooted in one spot, have evolved impressive ways to capture prey. The sea anemone Nematostella, for instance, burrows into salt marsh sediments and ...
Ecology
Jan 8, 2022
0
133
The invasive mosquitofish (Gambusia holbrooki) chews off the tails of freshwater fishes and tadpoles, leaving the native animals to perish while dining on other fishes' and amphibians' eggs. In a study published December ...
Plants & Animals
Dec 16, 2021
0
100
Why are some animals good at learning sounds? Did this skill appear when animals started "faking" their body size by lowering calls? In a new study on a wide range of mammals, Andrea Ravignani from the Max Planck Institute ...
Plants & Animals
Nov 16, 2021
0
87
When you hear the word "electricity," thoughts of power lines or household appliances are probably conjured up in your mind. But electricity is not just a modern human phenomenon—it was around long before us and, in fact, ...
Plants & Animals
Nov 12, 2021
0
22
