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Why do disinfectants only kill 99.9% of germs? Here's the science

Have you ever wondered why most disinfectants indicate they kill 99.9% or 99.99% of germs, but never promise to wipe out all of them? Perhaps the thought has crossed your mind mid-way through cleaning your kitchen or bathroom.

New study reconstructs the skull of ancient Cretan hippo

A study by researchers Nikolaos Gerakakis and Prof. Dimitrios Makris has successfully reconstructed the skull of an extinct dwarf hippopotamus that once roamed the island of Crete, using innovative 3D digital imaging techniques.

The secret world of plants living in our limestone pavements

Anyone out winter walking in the Yorkshire dales will probably be familiar with the dramatic scenery of limestone pavements. Distinctive and beautiful, they can also be found elsewhere in Britain, as well as in mainland Europe ...

Could captive breeding save this vanishing Everglades bird?

South Florida water managers approved a breeding program for an endangered Everglades sparrow that for decades has fluttered at the center of the debate over how to move water into parched marshes to restore the wetlands.

How monkeys recognize snakes so quickly

Dr. Nobuyuki Kawai from Nagoya University in Japan has found that the rapid detection of snakes by monkeys is because of the presence of snake scales as a visual cue. His findings highlight an evolutionary adaptation of primates ...

More news

Plants & Animals
Convergent evolution: stick and leaf insects share 20 body features
Cell & Microbiology
Scientists uncover insights into neuron function by simultaneously measuring two key signals in living animals
Plants & Animals
Bird flu kills 20 big cats in Washington state sanctuary
Plants & Animals
How do you 'grow' an endangered starfish? Scientists are finding out
Ecology
Mayotte faces environment, biodiversity crisis after cyclone
Cell & Microbiology
Research unveils new bacteriophage more effective than similar species
Cell & Microbiology
Study finds genetic and environmental factors neutralize bacterial growth
Veterinary medicine
Cats can get sick with bird flu. Here's how to protect them
Plants & Animals
Conservationists call for fox-free zones to protect the Parma wallaby
Plants & Animals
Roasting chestnuts, recycling walnuts: turning festive treats into sustainable new materials
Plants & Animals
Fish-friendly dentistry: New method makes oral research non-lethal
Biotechnology
Mice headsets make it easier to study brain response to virtual reality
Plants & Animals
Study of chimps cracking nuts shows some are much better at it than others
Paleontology & Fossils
Fossil treasure chest: How to preserve the geoheritage of South Africa's Cape coast
Veterinary medicine
Oregon house cat died after eating pet food that tested positive for bird flu
Plants & Animals
Octopuses are a new animal welfare frontier—what scientists know about consciousness in these unique creatures
Plants & Animals
Whales can live way longer than scientists thought, with potential lifespans as much as double previous estimates
Ecology
Climate change is making plants less nutritious—that could already be hurting animals that are grazers
Cell & Microbiology
How to detect more antimicrobial resistant bacteria in our waterways
Cell & Microbiology
Scientists discover a 'Goldilocks' zone for DNA organization, opening new doors for drug development

Other news

Quantum Physics
A new calculation of the electron's self-energy improves determination of fundamental constants
Planetary Sciences
The future lifespan of plants just got extended
Astronomy
German astronomers discover three new hydrogen-deficient pre-white dwarfs
Archaeology
Russian shipwreck in Iran reveals centuries-old Caspian Sea cargo
Astronomy
New method traces molecular gas mass in distant galaxies
Earth Sciences
New method estimates Atlantic freshwater transport across latitudes
Biochemistry
Microplastics found in multiple human organ tissues correlated with lesions
Astronomy
Observers investigate a nearby galaxy cluster merger
Soft Matter
The science behind your Christmas sweater: How friction shapes the form of knitted fabrics
Quantum Physics
Researchers achieve calculation of Jones polynomial based on the Majorana zero modes
Archaeology
Study reveals Rujm el-Hiri's ancient observatory role unlikely
Nanophysics
2D materials with 'twist' show unexpected electronic behavior that defy theoretical predictions
Nanophysics
Engineers develop first deep-UV microLED display chips for maskless photolithography
Social Sciences
Analysis of 160,000 films shows rise in 'murderous verbs' since 1970
Earth Sciences
Decoding haze sources and formation mechanisms with coal combustion experiments and sulfur isotopes
Astronomy
Astronomers discover an ultra-massive grand-design spiral galaxy
General Physics
Cooperation between two intruders moving side-by-side in granular media
Quantum Physics
Numerical simulations show how the classical world might emerge from the many-worlds universes of quantum mechanics
General Physics
Scientists use machine learning to develop an opener for a molecular can
Astronomy
Study sheds more light on the nature of compact symmetric object DA 362

Q&A: AI in the life sciences—why models often fail in practice

Artificial intelligence (AI) based on machine learning offers opportunities for the life sciences. However, problems often arise in practice. One cause is data leakage, the illicit spillover of information from the training ...