From an evolutionary perspective, social behaviours are those which have fitness consequences
for both the individual that performs the behaviour, and another individual. Over the last …

Natural selection favours genes that increase an organism's ability to survive and reproduce.
This would appear to lead to a world dominated by selfish behaviour. However, …

Microorganisms communicate and cooperate to perform a wide range of multicellular
behaviours, such as dispersal, nutrient acquisition, biofilm formation and quorum sensing. …

Background Nirmatrelvir is an orally administered severe acute respiratory syndrome coronavirus
2 main protease (M pro ) inhibitor with potent pan–human-coronavirus activity in vitro. …

As part of our effort to sequence the 100-megabase (Mb) genome of the nematode
Caenorhabditis elegans, we have completed the nucleotide sequence of a contiguous 2,181,032 …

Science teachers continuously strive to improve their instructional practices to enhance
student learning. Complementing the aims of science teachers, curriculum developers …

Older adults and special populations (living with disability and/or chronic illness that may
limit mobility and/or physical endurance) can benefit from practicing a more physically active …

The vast terrain between Panama and Tierra del Fuego contains some of the world’s richest
mammalian fauna, but until now it has lacked a comprehensive systematic reference to the …

The mysteries of Ancient Egypt, the wonderland of the Pharaohs, have always held the world
in awe. Now available in new covers, this volume provides a comprehensive history of this …

Growth of Penicillin-producing Mould The mould will grow and produce penicillin on a
variety of different media, but that used by Clutterbuck, Lovell and Raistrick (1932) is easy to …