Caterpillars Inspire New Movements in Soft Robots Researchers have been examining the diverse behaviours of caterpillars to find solutions for the new generation of search and rescue soft robots. Despite their extreme flexibility and adaptability, current soft-bodied robots are often limited by their slow speed, leading the researchers to turn to terrestrial soft-bodied animals for [...]
Biologist Illuminates How Seedlings Regulate Growth With seedlings and shoots still poking their leafy tops out of the soil, it’s hard to read the newly published research of Brown University biologist Alison DeLong without musing that it provides a deeper understanding of what puts the spring in spring. DeLong’s paper, published in advance online April [...]
Jurassic Spider from China Is Largest Fossil Specimen Discovered With a leg span of more than five inches, a recently named Jurassic period spider from China is the largest fossil specimen discovered, and one that has modern relatives in tropical climates today. A research team of KU and Capital Normal University (Beijing) researchers said the [...]
Ends of Chromosomes Protected by Stacked Researchers at the University of Pennsylvania School of Medicine are delving into the details of the complex structure at the ends of chromosomes. Recent work, published online in Nature Structural & Molecular Biology, describes how these structures, called telomeres, can be protected by caps made up of specialized proteins [...]
Biological Arms Races in Birds Result in Sophisticated Defenses Against Cuckoos New research reveals how biological arms races between cuckoos and host birds can escalate into a competition between the host evolving new, unique egg patterns (or ‘signatures’) and the parasite new forgeries. Brood parasitic birds such as cuckoos lay eggs that mimic those of [...]
The Eyes Have It: Dinosaurs Hunted by Night The movie Jurassic Park got one thing right: Those velociraptors hunted by night while the big plant-eaters browsed around the clock, according to a new study of the eyes of fossil animals. The study will be published online April 14 in the journal Science. This conclusion overturns [...]
Humpback Whale Songs Spread Eastward Humpback whales have their own version of the hit single, according to a study reported online April 14 in Current Biology. At any given time within a population, male humpbacks all sing the same mating tune. But the pattern of the song changes over time, with the new and apparently [...]
Birds Inherited Strong Sense of Smell from Dinosaurs Birds are known more for their senses of vision and hearing than smell, but new research suggests that millions of years ago, the winged critters also boasted a better sense for scents. A study published April 12 by scientists at the University of Calgary, the Royal Tyrrell [...]
Bacteria in Wasp Antennae Produce Antibiotic Cocktails Bacteria that grow in the antennae of wasps help ward off fungal threats by secreting a ‘cocktail’ of antibiotics explains a scientist at the Society for General Microbiology’s Spring Conference in Harrogate. Dr Martin Kaltenpoth describes how this is the first known example of non-human animals using a [...]
Penguins That Shun Ice Still Lose Big from a Warming Climate Fluctuations in penguin populations in the Antarctic are linked more strongly to the availability of their primary food source than to changes in their habitats, according to a new study published online on April 11 in the Proceedings of the National Academy of Sciences. [...]
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