��JEܪUUUQ�4��Ŧ��w֗M⠖7�>3s�̙� ҹ�Rip�y1:z��x���A�� �H� �Dʋ���(�M$��Z7�(�8-�3�K2�8������� �}g@�d� i6���E�n�'��d�P�g�Z������O�"IDZh�x0�)�8�*q^|? The search for the origin of life: From panspermia to primordial soup. The molecules in a hot gas, for example, can be arranged in many different ways to create the same overall temperature and pressure, making the gas a high-entropy system. 32 0 obj <> endobj 45 0 obj <>/Filter/FlateDecode/ID[<575C449AD0D9B941B269756155B14401>]/Index[32 18]/Info 31 0 R/Length 72/Prev 110770/Root 33 0 R/Size 50/Type/XRef/W[1 2 1]>>stream Their research is part of an investigation into why there is matter left over in the universe, that is, why all the antimatter created in … By the same logic, nothingness is the highest entropy state around – you can shuffle it around all you want and it still looks like nothing. h�b```f``�f`a`ر������, L How did that happen? Their research is part of an investigation into why there is matter left over in the universe, that is, why all the antimatter created in … Their research is part of an investigation into why there is matter left over in the universe, that is, why all the antimatter created in … William Barker, a doctoral student at the University of Cambridge, was searching for a theory of “modified gravity” last summer when he stumbled across a way to resolve the Hubble tension.Barker found a modified-gravity model that was “capable of behaving as if there were extra radiation in the early universe,” he said; the radiation pressure would have increased the cosmic … Really big.” And yet if our theory of the big bang is right, the universe was once a lot … 27 July, 2011. h�bbd``b`�$S@�1�8$�A,f�D|�A�� �.�x����Ȱ�b``����0 ��� endstream endobj startxref 0 %%EOF 49 0 obj <>stream Mystery: Why does anything exist at all? THERE is plenty to recommend the standard model, our best description of particles and their interactions.But it has the odd awkward lapse. Science with Sam explains. H�tUM�� �ϯ�1S5������V��=M�! Their research is part of an investigation into why there is matter left over in the universe, that is, why all the antimatter created in … ", I can never prove the above because I can never actually directly see whether the "absolute lack-of-all" is an existent entity, but what I can do is to use the above thinking to develop a model of the universe and eventually make testable predictions. H���mo�0���SX�q}~�4 �k%@B[�ӄ�,]�2���|z�NJ�P����������DYE�sÏ�'n���)_'��kFfu�!a�Us� �H29/V���/N�U�T�k��4U2͒I_�-F�0ܑ,G���H�`��'$k���ą�\n�R��JR��$['G�� y�}��L[���ં Low-carb diets: An easy way to lose weight or recipe for heart attack? **[�� If this universe is the only thing there is, that’s kind of weird and illogical—why would this big space just exist by itself in an otherwise nothing situation? Like all proposed solutions to the question "Why is there something rather than nothing? AS DOUGLAS ADAMS once wrote: “The universe is big. 2 Ҍ@��l@��͜w��q30eM���` /� endstream endobj 33 0 obj <> endobj 34 0 obj <>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Rotate 0/Type/Page>> endobj 35 0 obj <>stream CRISPR doubles lifespan of mice with rapid ageing disease progeria, Climate change: 2020 was the joint hottest year on record, Plants that suck metals from the soil can be farmed to make our tech, Corals bleached from heat become less resilient to ocean acidification, Covid-19 news: Major incident declared in London as virus cases surge, Black holes leak energy when they eat plasma near the event horizon, UK may allow gene editing of crops and livestock following Brexit, The scientific guide to a better Christmas dinner, How do mRNA coronavirus vaccines work? According to the hypothesis, the universe appears fine-tuned for intelligent life because of the anthropic principle, with most universes being devoid of life. Sign up to read our regular email newsletters, Read more: “Existence special: Cosmic mysteries, human questions“. Existing subscribers, please log in with your email address to link your account access. It is not clear that we can even speak coherently about the creation of the universe, given that such an event can be conceived only with reference to time, and here we are talking about the birth of space-time itself.” AS DOUGLAS ADAMS once wrote: “The universe is big. It is also a very reasonable question to ask from a scientific perspective. Their research is part of an investigation into why there is matter left over in the universe, that is, why all the antimatter created in the Big Bang didn’t just cancel out the matter. ��F��Y]��WI�]9*�]'G]Y�c��L����-�ٴ��`�Fb �6�Ǫ�^�>��s�B���!K.��SD�� aN7�?��S�Ns��Žʬh�oAh������yG��'�i�H.��""�����B_ A�fX�������j�tB �q�b�!�-�e�����BЎ�"�a�0#�(�i��I�W/+��z������S���_�5���hctO�6��� QK#�� ����%�j�4���4)u�� ��9j�)��@+ĕ�#��)Pnu8�T�Uy= �p"���2i�H�~�x%�]�W> ‡̭qϋO�9lv��˶���X���ݠ�`|��z96��W��I�RV����~o��)�Р������7@)(�a3ɰ�,�!.�X� s{>�����������0�N��aV���Q�*FɁ�C��M���Ј���ъ�af1%������)0u���={��ۮ�����~q^��m7�$9�/3q��E�l^S�K� /��� endstream endobj 37 0 obj <>stream Why is there any matter in the universe at all? ;;���sO� Many earlier thinkers had asked why our universe is the way it is, but Leibniz went a step further, wondering why there is a universe at all. Cosmic mysteries, human questions can you improve your immune age s a big,. 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