Simon Jeffery

Joint Deputy Head of International at The Guardian

Joint deputy head of international, the Guardian

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Articles

Dynamics of Collembola ecomorphological groups within a no‐till arable system

Nov 23, 2024 | resjournals.onlinelibrary.wiley.com | Matthew Back |Andrew Richards |Simon Jeffery

INTRODUCTION Shifts in land use have been linked to soil biodiversity loss and consequent impacts on ecosystem functions and services (FAO et al., 2020; IPBES, 2019; UNEP, 2022). Land use impacts both the biological and chemical aspects of soil, and organisms populate sites conducive to their development and success (Giller, 1996).
Narges Mohammedi: a defiant voice for women’s rights in Iran

Oct 6, 2023 | theguardian.com | Simon Jeffery

Narges Mohammedi, the most articulate and unflinching voice of the Iranian human rights movement, and now Nobel peace prize winner, has spent so long in prison serving overlapping sentences and defiantly speaking out from behind bars that her family are not sure they will ever speak to her again, let alone meet. Her husband and two twins exiled in France have been banned from direct communication for 18 months. She herself believes she will not be released, and still faces a further 154 lashings.
Cepheid Centenary and the Expanding Universe

Oct 4, 2023 | armaghplanet.com | Simon Jeffery

On October 5, 1923, Edwin Hubble identified the first Cepheid variable in M31, the Andromeda Galaxy. This proved that the Andromeda nebula was not part of the Milky Way and paved the way for measuring the expansion of the Universe. Cepheid variables are luminous yellow stars which pulsate in brightness with periods of several days. The first was discovered by Edward Pigott on September 10, 1784 and by John Goodricke a few months later.