Science

Easter Island: cultural collapse only after the arrival of the Europeans?

Stone platform and moai in Ahu Nau Nau on Easter Island. (Image: Robert DiNapoli) Huge stone figures, massive ritual platforms: The culture of Rapa Nui...

Colonial German at a glance

Historical illustration of the German colonial era in Africa. (Image: Nastasic / iStock) They were in charge - but how did the German colonial masters...

Gene trace of a human puzzle species

The unknown primitive emerges like a shadow. (Image: borchee / iStock) The Neanderthals and the Denisova people "mixed in" with the Europeans and Asians. Similar...

Squid eat with foresight

There are also representatives of the clever squid in the North Sea. (Image: Pauline Billard) Amazing: humans and squid adapt their eating habits to future...

Pineapple family in danger

Like many species of the bromeliad family, Guzmania sanguinea is threatened with extinction. (Image: Daniel Caceres) We mainly know them as food and ornamental plants....

Climate change displaces bumblebees

Bumblebees are important pollinators. (Image: Jeremy Kerr) Bumblebees are not just welcome visitors to our gardens. As efficient pollinators, they also play an important role...

Do elephants mourn their dead?

Elephant mother with child (Image: 101slides / iStock) It is said time and again that elephants mourn the death of their deceased fellows. But is...

Invasion of the predatory flatworms

A predatory worm has already spread widely in France. (Image: Pierre Gros) "Aliens" with an appetite for earthworms and the like: Flatworms that have been...

Jellyfish: Attention, slime grenades!

Cassiopea jellyfish secrete poisonous mucus. (Image: National Aquarium) Just don't touch: that's the motto when you encounter a poisonous jellyfish in the water. But this...

A new fragrance for the queen bee

Furrow Bee (Lasioglossum malachurum) (Image: Andreas Haselböck) With honeybees, the queen uses a special fragrance to ensure that her workers remain sterile and serve her....

Green hope for world food

Pea and Co have potential for world food. (Image: hidesy / iStock) The need for food is growing enormously - how can the growing earth...

Gorillas: keep a safe distance!

Their trustfulness could be dangerous to the endangered mountain gorillas. (Image: Nancy J. Stevens) A lot of people are currently suffering from colds or the...

Mushrooms are older than expected

Scanning electron microscope image of the petrified mushroom mycelium. (Image: Steeve Bonneville / Université Libre de Bruxelles) Mushrooms are among the first organisms to colonize...

Wooden building as a CO2 sink

Sustainable forestry could enable a material revolution. (Image: Sabine Hortebusch / iStock) Instead of using cement and steel, we should rely on a tried-and-tested natural...

Red Sea as a gas source

View of the Red Sea coast. (Image: Konoplytska / iSTock) Much of the world's natural gas and oil is extracted in the Middle East -...

Ocean circulation is getting faster

Acceleration (orange) and deceleration (blue) of ocean circulation. (Image: Shijian Hu) How does climate change affect global ocean currents? So far, scientists have assumed that...

Pterodactyl: Squid hunting with tooth loss

This may have led to the discovery of the fossil. (Image: Christian Klug and Beat Scheffold) In the age of the dinosaurs, the pterosaurs were...

Industrialization dust reached the Himalayas

View over the peaks of the central Himalayas. (Image: Bim / iSTock) Humans have long left their mark in almost all regions of the world...

Tank-bearing giant

Reconstruction of the giant tortoise Stupendemys geographicus. (Image: Jaime Chirinos) Turtles are a successful model of evolution - they have existed for 220 million years...

Dinosaurs regulated their body temperature

Researchers have used fossil egg shells as a "thermometer". (Image: Erika Parfenova / iStock) Were the dinosaurs cold-blooded like reptiles or warm-blooded like birds and...

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