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Science Notebook

Snakes can hear better than we thought

Researchers find that snakes respond to airborne sound and that the reactions depend on the genus.
R. Ramachandran
Science Notebook

Extent of Antarctic sea ice reached a record low in February

This minimum is the lowest in the 45-year satellite record and has beaten the previous record low.
R. Ramachandran
Science Notebook

James Webb Space Telescope finds ‘engine’ powering the merger of galaxies

The engine is responsible for up to 70 per cent of the total infrared emission of the system.
R. Ramachandran
Science Notebook

Even quiet volcanoes release a lot of sulphur into the air

This finding will help scientists improve global climate models.
R. Ramachandran

More stories from Science & Technology

Just one moderate-to-severe concussion, or traumatic brain injury, can have a long-term impact on brain function, including memory. 

Head injuries affect brain function in later life: study

Each additional reported concussion was linked to progressively worse cognitive function.
R. Ramachandran
Part of the experimental set-up used to make medium-density amorphous ice.

New form of ice with density close to liquid water raises new questions

On earth, ice is mostly crystalline, but elsewhere in the universe, it is likely to be amorphous.
R. Ramachandran

Resonance in supercooled colliding molecules observed for the first time

The findings suggest that scientists could one day steer and control certain chemical reactions.
R. Ramachandran
A child being given pulse polio drops, in Palakkad, Kerala, in 2022.

nOPV2: A new hope in battle against vaccine-derived polio

The new vaccine will reduce the risk of vaccine-derived outbreaks of polio.
R. Ramachandran
A depiction of the life cycle of the malaria parasite showing the various stages relevant to vaccine design. (1) The mosquito vector, used in experimental protocols to immunise people with irradiated sporozoites administered by mosquito bite; (2) the sporozoite, the target of several vaccines; (3) the liver stage, usually targeted by vectored vaccines; (4) the blood stage, usually targeted by the protein in adjuvant vaccine candidates; (5) the gametocyte that along with the ookinete, formed after fertilisation in the mosquito mid-gut, is the source of parasite antigens used in sexual-stage transmission-blocking vaccines. Pre-erythrocytic vaccines, which target the sporozoite and the liver-stage parasite, are intended to prevent infection and disease while blood-stage vaccines are intended to prevent clinical illness and death.

Finally! A safe and effective vaccine against malaria

In African adults who previously had malaria, PfSPZ provided 52 per cent efficacy.
R. Ramachandran
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