The meat-eating dinosaurs known as theropods that roamed the ancient Earth ranged in size from the bus-sized T. rex to the smaller, dog-sized Velociraptor. Scientists puzzling over how such wildly different dinosaur sizes ...
Evolution
Feb 23, 2023
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166
Aetosaurs had a small head and a crocodile-like body. The land dwellers were up to six meters long and widely distributed geographically. They died out about 204 million years ago, at the end of the Triassic.
Paleontology & Fossils
Feb 13, 2023
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508
Despite not being an essential element for plant growth, silicon increases plants' tolerance of biotic stresses, such as pests and diseases; and abiotic ones, such as drought and salinity. The effects of this element, the ...
Plants & Animals
Jan 19, 2023
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3
The largest flightless bird found anywhere in the world today is the ostrich. It stands about 2.5 metres tall and can weigh up to 240kg. But millions of years ago ostriches would have been dwarfed by several other flightless ...
Paleontology & Fossils
Jan 4, 2023
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120
More and more trees are suffering the consequences of decades of manmade climate change. The growth of the European beech has so far suffered decline mainly in southern Europe. European beech is Germany's most important native ...
Plants & Animals
Dec 5, 2022
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9
A new analysis of more than 20,000 trees on five continents shows that old-growth trees are more drought tolerant than younger trees in the forest canopy and may be better able to withstand future climate extremes.
Ecology
Dec 1, 2022
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108
Human activities have greatly increased reactive nitrogen (N) emissions to the atmosphere, resulting in an increasing global atmospheric nitrogen deposition. Existing stimulated nitrogen deposition experiments are carried ...
Ecology
Nov 21, 2022
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4
An interdisciplinary team from Hokkaido University's Engineering and Agriculture departments and the Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) has developed a europium-based thin-film coating that ...
Biotechnology
Oct 26, 2022
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104
Last year, forests across southern Québec and Ontario and much of New England turned eerily leafless. The air hummed with the sound of munching mandibles and tree trunks were covered with a writhing carpet of caterpillars, ...
Plants & Animals
Oct 24, 2022
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7
Ancient trees—those that are many hundreds, or even thousands, of years old—play a vital role in biodiversity and ecosystem preservation by providing stability, strength, and protection to at-risk environments. In a review ...
Plants & Animals
Oct 19, 2022
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