News
Male or female? How evolution rewired sex determination in one frog species
3+ hour, 22+ min ago (771+ words) image:Researchers have examined how a new gene, called dm-w, came to determine the sex of X. laevis frogs. view more Early in development, many animals pick a team " male or female " based on their genetics, and, with time, acquire the…...
A two-week leap in breeding: Antarctic penguins’ striking climate adaptation
1+ week, 2+ day ago (237+ words) image:Gentoo colony at Neko Harbour (ES: Puerto Neko). An egg is visible at one of the nests. Credit Ignacio Juarez Martinez view more Credit: Ignacio Juarez Martinez Co-author Dr Fiona Jones (University of Oxford) added: "As penguins are considered…...
A new study reveals how cholera virulence is activated
2+ week, 18+ hour ago (231+ words) image:A new study reveals how cholera virulence is activated view more In a study published in Science Advances, an international collaboration between IRB Barcelona, the IBMB-CSIC, EMBL Heidelberg, and the University of Detroit Mercy provides a long-sought structural explanation…...
TB and HIV treatments are not enough for a full recovery
2+ week, 19+ hour ago (498+ words) Existing treatments control TB and HIV, but the immune system does not revert to normal, helping explain why people living with HIV remain susceptible to infections and underscoring the need for immunotherapies. SAN ANTONIO (Jan. 15, 2025) " The immune system remains seriously…...
Tiny Titans of Recovery - Ancient traces reveal minute fossil life in South Africa’s Cederberg mountains
2+ week, 1+ day ago (286+ words) UCT-led study uncovers fossil ecosystem that helped kick-start life after global catastrophe image:Dr Claire Browning, lead author, in the Cedarberg Mountains digging for fossils. view more Credit: Dr Claire Browning An international team of scientists from South Africa, Canada,…...
FAU study reveals social, family and health factors behind teen bullying
2+ week, 3+ day ago (449+ words) image:Adolescents who were overweight, struggled to make friends, were born outside the U.S., or faced mental health challenges such as anxiety, depression, ADD/ADHD or learning disabilities were at greater risk of involvement in bullying, either as victims, perpetrators or…...
Exploring the origins of the universe: 145 low-noise amplifiers complete ALMA telescopes
1+ mon, 2+ week ago (104+ words) Fraunhofer IAF and Max Planck Institute for Radio Astronomy provide modules for Band 2 receivers image:ALMA telescope array in the Atacama Desert view more Unique average noise temperature of 22 K enables highly sensitive measurements in band 2 of the ALMA telescopes…...
Penguins starved to death en masse, study warns, as some populations off South Africa estimated to have fallen 95% in just eight years
1+ mon, 3+ week ago (711+ words) With a key food source falling to below a quarter of its peak levels in 17 of 20 years, the findings could be key in helping secure these penguins" long-term survival In fact, on two of the most important breeding colonies of…...
First discoveries from new Subaru Telescope program
1+ mon, 3+ week ago (230+ words) image:The Subaru Telescope image which led to the discovery of HIP 54515 b (indicated by the arrow). The planet's host star has been blocked in this image. The star's position is indicated by the star mark. The dotted line shows…...
The seamounts of Cape Verde: a biodiversity hotspot and a priority for marine conservation in the central-eastern Atlantic
2+ mon, 3+ day ago (160+ words) The study involved more than 40 researchers from 20 institutions in Europe, Africa and America image:The seamounts of Cape Verde support exceptional biodiversity, ranging from microorganisms to communities of deep-sea corals and sponges, as well as sharks, turtles, seabirds and cetaceans....