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Lab-made virus mimics COVID-19 virus

Airborne and potentially deadly, the virus that causes COVID-19 can only be studied safely under high-level biosafety conditions. Scientists handling the infectious virus must wear full-body biohazard suits with pressurized respirators, and work inside laboratories with multiple containment levels and specialized ventilation systems. While necessary to protect laboratory workers, these safety precautions slow down efforts to find drugs and vaccines for COVID-19 sinc



Coronavirus: Llamas and nanotechnology provide key to immune therapy

Scientists from the UK's Rosalind Franklin Institute have used Fifi's specially evolved antibodies to make an immune-boosting therapy.The resulting llama-based, Covid-specific "antibody cocktail" could enter clinical trials within months. The development is published in Nature Structural and Molecular Biology. It involves "engineering" llama antibodies, which are relatively small, and much more simply structured than the antibodies in our own



CORONAVIRUS ; AIRBORNE VS DROPLET TRANSMISSION?

Whether it is through large droplets that fly through the air after a sneeze, or much smaller exhaled droplets, the experts say Covid-19 is borne through air and can infect people when inhaled. In an open letter to the World Health Organization (WHO), 239 scientists from 32 countries have claimed that the novel coronavirus is airborne and have called for the global health body to revise its recommendations, the New York Times reported. The WHO has been saying that the coronavirus



Glycolipid-peptide vaccination induces liver-resident memory CD8+ T cells that protect against rodent malaria

The liver is an important site of replication for Plasmodium parasites, and therefore a key goal in vaccination against malaria is to induce robust antiparasitic immunity in the liver. Using Plasmodium berghei as a model to study malaria in mice, Holz et al. have developed a glycolipid-peptide conjugate vaccine that induced robust T cell responses in the liver and was able to protect mice when challenged with P. berghei. Inclusion of the glycolipid adjuvant,



Drone-delivered soap bubbles could help pollinate flowers

Several groups have devised devices that mimic pollinating honey bees. In 2017, Eijiro Miyako, a materials chemist at the Japan Advanced Institute of Science and Technology, adapted a 4-centimeter-long toy drone to pollinate flowers. He and colleagues glued horsehairs to the underside of the drone and coated the hairs with a gel to make them stickier and more flexible. The idea was that, just as on a bee, the hairs would pick up pollen from one flower and deposit it on another. Steered by rem