51动漫

two bumblebees on a yellow flower collects pollen, selective focus, nature background; Shutterstock ID 705344482; purchase_order: -; job: -; client: -; other:

This week鈥檚 new questions

Do all bee species speak the same language? I have bumblebees nesting under my roof, and wonder if the other bees in my garden can interpret the bumblebees鈥� signals about nectar sources. And why don鈥檛 we sneeze when we are asleep?

Two Astronauts on the Alien Planet Discover Plant Life. Space Travel, Discovery Of Habitable Worlds and Colonization Concept.; Shutterstock ID 1042736296; purchase_order: -; job: -; client: -; other:

Are there plants that could survive as a food source on the moon?

PF9N2P Honeybee stick on a window

Are flies following a strategy when they keep hitting into a window?

2BXTXNE Red giant star. Sun. Earth landscape. Moon. Venus. Solar system

When the sun engulfs Earth, will the remnants form new planets? Part 2

2WRG1EA close up of frozen green peas, top view of vegetable food, peas from freezer background

What鈥檚 the optimal ratio of frozen peas to cold tap water? Part 4

Man used the wooden back scratcher for his back itch therapy in small trees background closeup.; Shutterstock ID 2142811281; purchase_order: -; job: -; client: -; other:

This week鈥檚 new questions

FRANCE. Versailles. Ch??teau de Versailles. Salon de la guerre. 2018.

If everyone got rid of their mobile phones, what would happen?

PEBWF3 Elderly Chinese Woman Stretching in the XinJinYuan Park, Xian, China

Why do some of us enjoy exercising聽and others don鈥檛?

E7MK5Y Insectivorous plant Venus fly trap (Dionaea muscipula) digesting a captured mosquito. Plant house, Galveston, Texas, USA.

Why do some plants eat insects if they are capable of photosynthesis?

International Space Station (ISS), computer artwork.

This week鈥檚 new questions

In the past 30 years or so, have any organisms evolved that can only survive on the International Space Station? How does energy use by the body differ聽when聽I walk, jog or run for 1 kilometre?

Why are there no moons with natural satellites of their own?

What would happen if the speed of light were half its value? part 2

This week鈥檚 new questions

This week鈥檚 new questions