ESA's Planck satellite has revealed that the first stars in the Universe started forming later than previous observations of the Cosmic Microwave Background indicated. This new analysis also shows that these stars were the only sources needed to account for reionising atoms in the cosmos, having completed half of this process when the Universe had reached an age of 700 million years.
High above Earth's tropics, a pattern of winds changed recently in a way that scientists had never seen in more than 60 years of consistent measurements.
The ancestors of leaf-cutter ants swapped a hunter-gatherer lifestyle for a bucolic existence on small-scale subsistence farms. A new study has revealed that living relatives of the earliest fungus-farming ants still have not domesticated their crop, a challenge also faced by early human farmers.
Graphene oxide flakes can be welded together into solid materials that may be suitable for bone implants, according to an international study.
Researchers discovered a new snake species in Madagascar and named it 'ghost snake' for its pale grey coloration and elusiveness. The researchers named it Madagascarophis lolo, pronounced 'luu luu,' which means ghost in Malagasy.
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