Darkness or light: did early galaxies shun dark matter? (Courtesy: ESA/NASA) Dark matter had less influence in galaxies 10 billion years ago than it does today, according to ob You’ve reached the limit of what you can view on Physics World without registering If you already have an account on Physics World, then please sign in to continue reading If you do not yet have an account, please register so you can Access more than 20 years of online content Choose which e-mail newsletters you would like to receive Want to read more? Registration is free, quick and easy Note: The verification e-mail to complete your account registration should arrive immediately. However, in some cases it takes longer. Don't forget to check your spam folder. If you haven't received the e-mail in 24 hours, please contact customerservices@ioppublishing.org. E-mail Address
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Gravity Research update Objects with embedded spins could test whether quantum measurement affects gravity