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The Guardian - Back to homeThe Guardian

Lost worlds revisited

With a diverse team of experts who blog about palaeontology, fossils, museums and ancient worlds and their inhabitants animal, vegetable and mineral, Lost worlds revisited continues on from where the popular Lost Worlds blog left off.

29 August 2018

23 August 2018

  • Meristem.

    Plant roots evolved at least twice, and step by step

    The discover of a unique rooting anatomy from 407m years ago supports theory roots evolved at least twice, and step by step

22 August 2018

  • How We See Animals Muséum National D’Histoire Naturelle, Paris, France 1982 Colour photograph by Richard Ross © the artist

    Lost Worlds wrapping up: dead birds, island hopping and the value of museum collections

    With the Science Blog Network closing, Hanneke Meijer reflects on her contributions to the Guardian’s Lost Worlds Revisited

16 August 2018

  • Geologic Time Spiral U.S. Geological Survey

    Lost Worlds wrapping up: cephalopods, mammophants and boob-shaped rocks

    With the Science Blog Network closing, Mark Carnall reflects on his contributions to the Guardian’s Lost Worlds Revisited

15 August 2018

  • An ammonite on the beach at Saltwick Bay, England.

    Are all those dinosaur fossils worth the fuss?

    Researchers are encouraged to embrace the media to communicate their science. But are the sexy headlines at the expense of telling stories of real significance?

30 July 2018

  • Four of the species of finch observed by Darwin on the Galápagos Islands

    Origin of the species: where did Darwin's finches come from?

    Galápagos finches have been the subject of a plethora of evolutionary studies, but where did the first ones come from?

26 July 2018

  • Question marks and slug with a moustache

    Unidentifiable fossils: palaeontological problematica

    Some fossils have never been identified. Mark Carnall takes a look at a selection of UFOs – unidentifiable fossil organisms

18 July 2018

  • WALKING WITH DINOSAURS: A TIME OF TITANS<br>Picture Shows: a graphic of Diplodocus herd walking among monkey puzzle (araucaria) TX:BBC ONE Monday, October 11 1999 Set 152 million years ago, 'A Time of Titans' follows the story of a newborn Diplodocus female. She survives an attack by the vicious Allosaurus to reach her mature weight of 25 tonnes and mate for the first time, completing her cycle of life. WARNING: This copyright image may be used only to publicise current BBC programmes or other BBC output. Any other use whatsoever without specific prior approval from the BBC may result in legal action.

    The real palaeo diet: the nutritional value of dinosaur food

    Experiments on modern plants show that the nutrients which dinosaurs could get from plants varied with carbon dioxide levels

4 July 2018

  • Shenshou lui, an early mammal fossil from the Jurassic of China, held at the Beijing Museum of Natural History. Part of the new exhibition of Mesozoic mammals.

    Beijing fossil exhibition prompts rethink of mammal evolution

    New public exhibition at Beijing’s Museum of Natural History features scores of previously unseen fossils

20 June 2018

  • Dimorphodon macronyx, a pterosaur from the Jurassic, once thought to be puffin-like. Researchers now know it was a poor flier more likely to forage on the ground.

    No, these pterosaurs were not Jurassic puffins

    New research into pterosaur diets is overturning assumptions based on qualitative assertions made decades ago

15 June 2018

  • High-resolution scanning electron microscope image of fossil dinosaur dandruff showing the high density of keratin fibres.

    Did dinosaurs get dandruff?

    Palaeontologists studying the evolution of dinosaurs’ skin and feathers think they did

6 June 2018

  • A life reconstruction of the famous Spinosaurus. The original fossils of this animal were destroyed by a bombing raid in 1944.

    When a dinosaur fossil is gone it's gone forever

    Palaeontologists and museum curators try to keep their objects safe, but sometimes there are forces outside of their control

30 May 2018

  • The Flooer as imagined by Dougal Dixon in his book After Man: A Zoology of the Future

    Speculative biology: understanding the past and predicting our future

    A new edition of After Man by Dougal Dixon, a landmark piece of speculative biology which influenced a generation of palaeontologists, has been released

25 May 2018

  • Ostrich Fern (Matteuccia struthiopteris)

    Spore heroes: unlocking the life-cycle secrets of the earliest land plants

    Fossils from 432m years ago push back the origin of the alternating life cycle still seen in ferns today

17 May 2018

  • An anoa in Jakarta zoo

    Wallace’s enigma: how the island of Sulawesi continues to captivate biologists

    After 150 years, biologists are untangling the history of the Indonesian island’s unusual fauna

2 May 2018

  • Geologic time scales divide time into eons; eons into eras; and eras into periods, epochs and ages.

    What is geologic time, and how does it work?

    We all recognise the names of some time periods such as Jurassic or Devonian - but how many us of actually understand how geologists divide up the earth’s past?

24 April 2018

  • The dromaeosaur dinosaur Linheraptor

    How do you discover a dinosaur?

    Technology has revolutionised science but it can’t beat good eyes for finding fossils

19 April 2018

  • Sir David Attenborough feeds a sauropod in the virtual reality exhibit at the Yorkshire’s Jurassic World exhibition in York

    Not one, but three Jurassic worlds, in new UK museum exhibition

    Yorkshire’s Jurassic World, a new exhibition in York, includes a pregnant ichthyosaur, a Mesozoic virtual reality experience and a dinosaur called Alan

11 April 2018

  • A rare Hispaniolan solenodon, Solenodon paradoxus.

    The palaeontology of rocks, clocks and zombie lineages

    Recent research on solenodon molecules reminds us the study of fossils is far from extinct

4 April 2018

  • Moa coprolite partially excavated from the dry sediment which buried and helped preserve it for centuries, Dart River Valley, New Zealand.

    On fossil poo and picky eaters: a new study sheds light on New Zealand's past ecosystem

    Advanced DNA techniques shows the critical role extinct birds played in New Zealand’s ecosystem.
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