科学与环境
How bumblebees keep up with a flower that won't stay still
来源: Phys.org - latest science and technology news stories · 发布于
Landing on a moving target is a challenge for all flying animals. For bumblebees, a flower swaying in the wind creates an erratic landing pad. Reaching it means matching its sideways motion while continuing to face it. When the bee turns in flight, its view of the flower changes,
Landing on a moving target is a challenge for all flying animals. For bumblebees, a flower swaying in the wind creates an erratic landing pad. Reaching it means matching its sideways motion while continuing to face it.
When the bee turns in flight, its view of the flower changes, which complicates the feat.
相关报道
Perceived motives help explain why some online campaigns fail to mobilize support
Flinders University researchers have examined the role social media plays in expanding social movements and found that perceptions of online activists' motives can significantly affect others' willingness to participate. The study is published in the journal New Media & Society.
Phys.org - latest science and technology news stories ·
Wearable nanotech could combat nerve agents
Nanoparticles could someday provide a new way to help soldiers fight back against deadly nerve agents on the front lines. In a new study, Northwestern University scientists developed a nanoparticle-based compound that, when mixed into clothing dyes, could limit the impact of chem
Phys.org - latest science and technology news stories ·
Sneakers to Scrubs mentorship program shows data-backed promise
A new study highlights the promising early impact of Sneakers to Scrubs (S2S), a medical pathways program founded by Black medical students and former athletes to address the severe underrepresentation of Black men in medicine.
Phys.org - latest science and technology news stories ·
Overlooked lakes may be helping to keep the Northern Hemisphere cool
Lakes may cover only a small fraction of Earth's surface, but new research suggests they play a bigger role in regulating the planet's climate than previously recognized. By reflecting sunlight back into space when covered in snow and ice, lakes in the Northern Hemisphere have a
Phys.org - latest science and technology news stories ·
New sound catalog reveals who's who in the world of killer whales
A new open-access catalog of whale calls will help researchers and orca enthusiasts identify distinct killer whale populations, clans and family groups by their vocalizations alone.
Phys.org - latest science and technology news stories ·