News
- Plants
How Venus flytraps store short-term ‘memories’ of prey
Glowing Venus flytraps reveal how calcium buildup in the cells of leaves acts as a short-term “memory” that helps the plants identify prey.
- Animals
Glowing blue helps shield this tardigrade from harmful ultraviolet light
Tardigrades have a newly discovered trick up their sleeve: fluorescence.
- Animals
Pufferfish may be carving mysterious ‘crop circles’ near Australia
In 2011, scientists discovered that tiny pufferfish were sculpting Japan’s underwater “mystery circles.” Now, more circles have emerged in Australia.
- Physics
Fundamental constants place a new speed limit on sound
Physicists propose a new maximum rate that sound waves can travel under conditions normally found on Earth — 36 kilometers per second.
