Ape evolution: Family tree of extinct apes reveals our early evolutionary history

A new family tree of apes that lived in the Miocene between 23 and 5.3 million years ago reveals which are our close relatives and which are only distant cousins Humans 16 March 2022 By Michael Marshall Dryopithecus, an extinct ape from the Miocene JOHN SIBBICK/SCIENCE PHOTO LIBRARY A huge study of fossil apes clarifies … Read more

We need to count every tree on the planet – here’s why

Planting trillions of trees won’t replace the 10 million hectares of forest ecosystems lost each year, but documenting them could prevent further losses Environment | Comment 2 March 2022 By Jingjing Liang Michelle D’urbano SINCE the 13th century, forests have been managed as sources of trees that can be processed into timber. More recently, with … Read more

Camouflage: Foam made from algae and tree bark can hide objects in forest settings

A camouflage system made using algae and tree bark can hide objects from both visible and infrared light Environment 3 March 2022 By Alex Wilkins A photograph of the patterned foam Laaksonen etal. (2022) Camouflage made from biodegradable foams of algae and cellulose derived from wood pulp or tree bark could make objects in forests … Read more

We Now Have The Largest Ever Human ‘Family Tree’, With 231 Million Ancestral Lineages

In June 2000, two rival groups of researchers shook hands in the shared success of a milestone in biology – the delivery of a rough draft of the human genome. What started with an incomplete map of our chromosomes has since bloomed into a vast trove of individualized sequences from all corners of the globe, … Read more

Human evolution: Largest ever family tree reveals our species’ history

By Michael Marshall A visualisation of relationships between ancestors and descendants in the genealogy of modern and ancient genomes Wohns et al. (2022) Meet your relatives. A family tree of humanity has been constructed using genetic data from thousands of modern and prehistoric people. The tree gives a view of 2 million years of prehistory … Read more

Fix the Planet newsletter: Can tree diversity help the climate?

By Adam Vaughan Rainforest at dawn, Mgahinga Gorilla National Park, Uganda, Africa. Dylan Garcia Photography / Alamy Stock Photo This is Fix the Planet, the weekly climate change newsletter that reminds you there are reasons for hope in science and technology around the world. To receive it in your inbox, sign up here. Hi, welcome back … Read more

Planet Earth Contains Over 9,000 Tree Species Yet to Be Discovered, Scientists Say

An ambitious, first-of-its-kind effort to estimate how many different kinds of trees exist on Earth suggests our planet is teeming with thousands of tree species that still haven’t been discovered.   The huge international research effort – involving the work of over 100 scientists – estimates that there are approximately 73,000 tree species in total … Read more

Thousands of Tree Species Remain Unknown to Science

The world’s forests may hold more secrets than previously thought: a new global estimate of tree biodiversity suggests that there are about 9,200 tree species yet to be discovered. Most of these species are likely in the tropics, according to the new research, which was published on Monday in Proceedings of the National Academy of … Read more

This Stupendous Crater on Mars Looks Eerily Like a Tree Stump

You might be forgiven for thinking the above picture is the stump of a tree. Shift your perspective a little, however, and the truth becomes clear: What you’re looking at is much bigger than any tree – a concave depression on the surface of Mars, gouged out by a massive impact.   The rings radiating … Read more

Scientists Spent 4 Years Identifying a New Wasp That Only Leaves Its Home For 2 Days

Parasitic gall wasps don’t get out much. For the vast majority of their year-long lives, from eggs to larvae, pupae to adults, these tiny insects are entombed in cocoon-like crypts on the leaves, flowers, and stems of oak trees.   When spring rolls around, there’s no time to waste, not even for food. The wasps … Read more