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'Holiday mode': Why our green habits vanish on vacation

Being in "holiday mode" makes tourists less environmentally responsible, according to a recent University of Queensland study. Researchers found that while tourists' core environmental values don't change, traveling can activate a "vacation place identity" which makes people

Networks are keeping NASA's Artemis II mission connected

NASA's Artemis II mission will transport four astronauts around the moon, bringing the agency one step closer to sending the first astronauts to Mars. Throughout Artemis II, astronaut voices, images, video, and vital mission data must traverse thousands of miles, carried on

Plant mothers send molecular 'text messages' to pollen

Small RNAs are short RNA molecules that help determine which genes in a cell are switched on or off. Until now, it was assumed that the small RNAs necessary for pollen development originate in the pollen itself and in the directly surrounding maternal tissue. However, a new

Corals sleep like us, but their symbionts never rest

Sleep is essential for much of the animal kingdom. During the night, neuron and tissue repair mechanisms are activated to aid recovery from daily activity. This is risky: organisms that sleep are more vulnerable to predators. However, the phenomenon extends from mammals to

A lost world: Ancient cave reveals million-year-old wildlife

Australian and New Zealand scientists have unearthed the remains of ancient wildlife in a cave near Waitomo on Aotearoa's North Island, the first time a large number of million-year-old fossils have been found—including an ancestor of the large flightless Kākāpō parrot.