Human medicines that act on important signal systems in the brain make fish bolder, shows a new study on three-spined sticklebacks by researchers at Linköping University. The results reinforce that the signal substances ...
Plants & Animals
Oct 17, 2019
0
80
According to Noël Coward, mad dogs and Englishmen are the only creatures that go out in the midday sun, but Harald Wolf from the University of Ulm, Germany, would add another animal: Saharan silver ants (Cataglyphis bombycina). ...
Plants & Animals
Oct 16, 2019
3
925
Start thinking about numbers and they can become large very quickly. The diameter of the universe is about 8.8×1023 km and the largest number with a name—googolplex, 1010100—outranks it enormously. Although that colossal ...
Plants & Animals
Oct 10, 2019
4
935
Attention runners: The next time you go out for a jog, you might want to strap a light resistance band between your feet. This rather quirky but oddly effective hack, according to UC Santa Barbara mechanical engineer Elliot ...
Other
Oct 8, 2019
9
1858
Biologists and biomedical engineers are proposing to define the term "yank" for changes in force over time, something that our muscles and nerves can feel and respond to.
Other
Sep 13, 2019
2
19
The western honey bee (Apis mellifera) that has a sting for use in defense is common in Western Europe. Stingless bees, on the other hand, are mainly at home in the tropics and subtropics. They are a very social group and ...
Plants & Animals
Aug 23, 2019
0
16
For many grasshoppers and other insects jumping is a fast and effective way to escape from their predators. In particular desert locusts are known for their powerful jumps. To avoid catapulting into the wrong direction, locusts ...
Plants & Animals
Aug 15, 2019
0
13
Attaching its head to its tail to form a ring, a 3-millimeter larva of the goldenrod gall midge squeezes some internal fluids into its tail section, swelling it and raising the pressure like an inner tube.
Molecular & Computational biology
Aug 9, 2019
0
75
If it's thoughts of zombies that keep you awake at night, you shouldn't be worried about zombie humans; it's the carpenter ants (Camponotus castaneus) that should concern you most. When infected by a specialised fungus (Ophiocordyceps ...
Ecology
Jul 18, 2019
0
17
Most mammalian new mums are fiercely protective of their precious offspring; even 5-8 m long southern right whale calves are vulnerable to attack by voracious killer whales. Mia Nielsen from Aarhus University, Denmark, explains ...
Plants & Animals
Jul 11, 2019
0
0
